Home / 27,700.38-38,226.33-15,125.13

Finding the Fourth Proportional to 27,700.38, 38,226.33 and 15,125.13

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Solution

The fourth proportional to 27,700.38, 38,226.33 and 15,125.13 is: 20,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.38 : 38,226.33 = 15,125.13 : x
  2. Step 2: Convert to fraction form
    27,700.38/38,226.33 = 15,125.13/x
  3. Step 3: Cross multiply
    27,700.38x = 38,226.33 × 15,125.13
  4. Step 4: Simplify right side
    27,700.38x = 578,178,210.67
  5. Step 5: Solve for x
    x = 578,178,210.67/27,700.38
  6. Step 6: Final answer
    x = 20,872.57

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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.