Home / 55,057.47-82,586.21-15,609.66

Finding the Fourth Proportional to 55,057.47, 82,586.21 and 15,609.66

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Solution

The fourth proportional to 55,057.47, 82,586.21 and 15,609.66 is: 23,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.47 : 82,586.21 = 15,609.66 : x
  2. Step 2: Convert to fraction form
    55,057.47/82,586.21 = 15,609.66/x
  3. Step 3: Cross multiply
    55,057.47x = 82,586.21 × 15,609.66
  4. Step 4: Simplify right side
    55,057.47x = 1,289,142,580.74
  5. Step 5: Solve for x
    x = 1,289,142,580.74/55,057.47
  6. Step 6: Final answer
    x = 23,414.49

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Half scale
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Double scale
Find fourth proportional to 55,058.47, 82,587.71 and 15,610.66
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.