Home / 22,318.76-33,486.35-9,172.17

Finding the Fourth Proportional to 22,318.76, 33,486.35 and 9,172.17

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Solution

The fourth proportional to 22,318.76, 33,486.35 and 9,172.17 is: 13,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.76 : 33,486.35 = 9,172.17 : x
  2. Step 2: Convert to fraction form
    22,318.76/33,486.35 = 9,172.17/x
  3. Step 3: Cross multiply
    22,318.76x = 33,486.35 × 9,172.17
  4. Step 4: Simplify right side
    22,318.76x = 307,142,449.02
  5. Step 5: Solve for x
    x = 307,142,449.02/22,318.76
  6. Step 6: Final answer
    x = 13,761.63

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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.