Home / 38,390.93-57,586.40-15,000.97

Finding the Fourth Proportional to 38,390.93, 57,586.40 and 15,000.97

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Solution

The fourth proportional to 38,390.93, 57,586.40 and 15,000.97 is: 22,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.93 : 57,586.40 = 15,000.97 : x
  2. Step 2: Convert to fraction form
    38,390.93/57,586.40 = 15,000.97/x
  3. Step 3: Cross multiply
    38,390.93x = 57,586.40 × 15,000.97
  4. Step 4: Simplify right side
    38,390.93x = 863,851,858.81
  5. Step 5: Solve for x
    x = 863,851,858.81/38,390.93
  6. Step 6: Final answer
    x = 22,501.46

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Half scale
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Double scale
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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.