Home / 22,765.69-31,403.11-17,721.93

Finding the Fourth Proportional to 22,765.69, 31,403.11 and 17,721.93

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Solution

The fourth proportional to 22,765.69, 31,403.11 and 17,721.93 is: 24,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.69 : 31,403.11 = 17,721.93 : x
  2. Step 2: Convert to fraction form
    22,765.69/31,403.11 = 17,721.93/x
  3. Step 3: Cross multiply
    22,765.69x = 31,403.11 × 17,721.93
  4. Step 4: Simplify right side
    22,765.69x = 556,523,717.20
  5. Step 5: Solve for x
    x = 556,523,717.20/22,765.69
  6. Step 6: Final answer
    x = 24,445.72

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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.