Home / 27,475.20-37,915.68-14,899.92

Finding the Fourth Proportional to 27,475.20, 37,915.68 and 14,899.92

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Solution

The fourth proportional to 27,475.20, 37,915.68 and 14,899.92 is: 20,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.20 : 37,915.68 = 14,899.92 : x
  2. Step 2: Convert to fraction form
    27,475.20/37,915.68 = 14,899.92/x
  3. Step 3: Cross multiply
    27,475.20x = 37,915.68 × 14,899.92
  4. Step 4: Simplify right side
    27,475.20x = 564,940,598.75
  5. Step 5: Solve for x
    x = 564,940,598.75/27,475.20
  6. Step 6: Final answer
    x = 20,561.84

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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.