Home / 25,812.38-38,729.46-14,111.93

Finding the Fourth Proportional to 25,812.38, 38,729.46 and 14,111.93

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Solution

The fourth proportional to 25,812.38, 38,729.46 and 14,111.93 is: 21,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.38 : 38,729.46 = 14,111.93 : x
  2. Step 2: Convert to fraction form
    25,812.38/38,729.46 = 14,111.93/x
  3. Step 3: Cross multiply
    25,812.38x = 38,729.46 × 14,111.93
  4. Step 4: Simplify right side
    25,812.38x = 546,547,428.46
  5. Step 5: Solve for x
    x = 546,547,428.46/25,812.38
  6. Step 6: Final answer
    x = 21,173.85

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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.