Home / 14,381.28-21,578.94-10,248.12

Finding the Fourth Proportional to 14,381.28, 21,578.94 and 10,248.12

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Solution

The fourth proportional to 14,381.28, 21,578.94 and 10,248.12 is: 15,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.28 : 21,578.94 = 10,248.12 : x
  2. Step 2: Convert to fraction form
    14,381.28/21,578.94 = 10,248.12/x
  3. Step 3: Cross multiply
    14,381.28x = 21,578.94 × 10,248.12
  4. Step 4: Simplify right side
    14,381.28x = 221,143,566.59
  5. Step 5: Solve for x
    x = 221,143,566.59/14,381.28
  6. Step 6: Final answer
    x = 15,377.18

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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.