Home / 22,327.04-30,812.28-13,376

Finding the Fourth Proportional to 22,327.04, 30,812.28 and 13,376

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Solution

The fourth proportional to 22,327.04, 30,812.28 and 13,376 is: 18,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.04 : 30,812.28 = 13,376 : x
  2. Step 2: Convert to fraction form
    22,327.04/30,812.28 = 13,376/x
  3. Step 3: Cross multiply
    22,327.04x = 30,812.28 × 13,376
  4. Step 4: Simplify right side
    22,327.04x = 412,145,057.28
  5. Step 5: Solve for x
    x = 412,145,057.28/22,327.04
  6. Step 6: Final answer
    x = 18,459.46

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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.