Home / 23,511.87-32,446.78-12,902.49

Finding the Fourth Proportional to 23,511.87, 32,446.78 and 12,902.49

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Solution

The fourth proportional to 23,511.87, 32,446.78 and 12,902.49 is: 17,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.87 : 32,446.78 = 12,902.49 : x
  2. Step 2: Convert to fraction form
    23,511.87/32,446.78 = 12,902.49/x
  3. Step 3: Cross multiply
    23,511.87x = 32,446.78 × 12,902.49
  4. Step 4: Simplify right side
    23,511.87x = 418,644,222.23
  5. Step 5: Solve for x
    x = 418,644,222.23/23,511.87
  6. Step 6: Final answer
    x = 17,805.65

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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.