Home / 23,299.74-32,154.30-12,689.55

Finding the Fourth Proportional to 23,299.74, 32,154.30 and 12,689.55

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Solution

The fourth proportional to 23,299.74, 32,154.30 and 12,689.55 is: 17,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.74 : 32,154.30 = 12,689.55 : x
  2. Step 2: Convert to fraction form
    23,299.74/32,154.30 = 12,689.55/x
  3. Step 3: Cross multiply
    23,299.74x = 32,154.30 × 12,689.55
  4. Step 4: Simplify right side
    23,299.74x = 408,023,597.57
  5. Step 5: Solve for x
    x = 408,023,597.57/23,299.74
  6. Step 6: Final answer
    x = 17,511.94

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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.