Home / 22,301.86-30,778-14,734.92

Finding the Fourth Proportional to 22,301.86, 30,778 and 14,734.92

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Solution

The fourth proportional to 22,301.86, 30,778 and 14,734.92 is: 20,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.86 : 30,778 = 14,734.92 : x
  2. Step 2: Convert to fraction form
    22,301.86/30,778 = 14,734.92/x
  3. Step 3: Cross multiply
    22,301.86x = 30,778 × 14,734.92
  4. Step 4: Simplify right side
    22,301.86x = 453,511,367.76
  5. Step 5: Solve for x
    x = 453,511,367.76/22,301.86
  6. Step 6: Final answer
    x = 20,335.14

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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.