Home / 14,781.84-20,402.28-10,068

Finding the Fourth Proportional to 14,781.84, 20,402.28 and 10,068

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Solution

The fourth proportional to 14,781.84, 20,402.28 and 10,068 is: 13,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.84 : 20,402.28 = 10,068 : x
  2. Step 2: Convert to fraction form
    14,781.84/20,402.28 = 10,068/x
  3. Step 3: Cross multiply
    14,781.84x = 20,402.28 × 10,068
  4. Step 4: Simplify right side
    14,781.84x = 205,410,155.04
  5. Step 5: Solve for x
    x = 205,410,155.04/14,781.84
  6. Step 6: Final answer
    x = 13,896.12

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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.