Home / 22,981.22-34,471.46-12,587.30

Finding the Fourth Proportional to 22,981.22, 34,471.46 and 12,587.30

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Solution

The fourth proportional to 22,981.22, 34,471.46 and 12,587.30 is: 18,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.22 : 34,471.46 = 12,587.30 : x
  2. Step 2: Convert to fraction form
    22,981.22/34,471.46 = 12,587.30/x
  3. Step 3: Cross multiply
    22,981.22x = 34,471.46 × 12,587.30
  4. Step 4: Simplify right side
    22,981.22x = 433,902,608.46
  5. Step 5: Solve for x
    x = 433,902,608.46/22,981.22
  6. Step 6: Final answer
    x = 18,880.75

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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.