Home / 27,475.12-37,915.68-14,899.87

Finding the Fourth Proportional to 27,475.12, 37,915.68 and 14,899.87

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Solution

The fourth proportional to 27,475.12, 37,915.68 and 14,899.87 is: 20,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.12 : 37,915.68 = 14,899.87 : x
  2. Step 2: Convert to fraction form
    27,475.12/37,915.68 = 14,899.87/x
  3. Step 3: Cross multiply
    27,475.12x = 37,915.68 × 14,899.87
  4. Step 4: Simplify right side
    27,475.12x = 564,938,513.38
  5. Step 5: Solve for x
    x = 564,938,513.38/27,475.12
  6. Step 6: Final answer
    x = 20,561.83

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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.