Home / 22,918.17-34,429.76-13,564.64

Finding the Fourth Proportional to 22,918.17, 34,429.76 and 13,564.64

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Solution

The fourth proportional to 22,918.17, 34,429.76 and 13,564.64 is: 20,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.17 : 34,429.76 = 13,564.64 : x
  2. Step 2: Convert to fraction form
    22,918.17/34,429.76 = 13,564.64/x
  3. Step 3: Cross multiply
    22,918.17x = 34,429.76 × 13,564.64
  4. Step 4: Simplify right side
    22,918.17x = 467,027,271.97
  5. Step 5: Solve for x
    x = 467,027,271.97/22,918.17
  6. Step 6: Final answer
    x = 20,378.04

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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.