Home / 22,763.39-31,402.31-15,211.57

Finding the Fourth Proportional to 22,763.39, 31,402.31 and 15,211.57

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Solution

The fourth proportional to 22,763.39, 31,402.31 and 15,211.57 is: 20,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.39 : 31,402.31 = 15,211.57 : x
  2. Step 2: Convert to fraction form
    22,763.39/31,402.31 = 15,211.57/x
  3. Step 3: Cross multiply
    22,763.39x = 31,402.31 × 15,211.57
  4. Step 4: Simplify right side
    22,763.39x = 477,678,436.73
  5. Step 5: Solve for x
    x = 477,678,436.73/22,763.39
  6. Step 6: Final answer
    x = 20,984.50

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1.5x scale

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.