Home / 16,130.76-22,258.80-9,057.12

Finding the Fourth Proportional to 16,130.76, 22,258.80 and 9,057.12

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Solution

The fourth proportional to 16,130.76, 22,258.80 and 9,057.12 is: 12,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.76 : 22,258.80 = 9,057.12 : x
  2. Step 2: Convert to fraction form
    16,130.76/22,258.80 = 9,057.12/x
  3. Step 3: Cross multiply
    16,130.76x = 22,258.80 × 9,057.12
  4. Step 4: Simplify right side
    16,130.76x = 201,600,622.66
  5. Step 5: Solve for x
    x = 201,600,622.66/16,130.76
  6. Step 6: Final answer
    x = 12,497.90

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Half scale
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Double scale
Find fourth proportional to 16,131.76, 22,260.18 and 9,058.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.