Home / 15,915.24-23,869.78-15,124.95

Finding the Fourth Proportional to 15,915.24, 23,869.78 and 15,124.95

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Solution

The fourth proportional to 15,915.24, 23,869.78 and 15,124.95 is: 22,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.24 : 23,869.78 = 15,124.95 : x
  2. Step 2: Convert to fraction form
    15,915.24/23,869.78 = 15,124.95/x
  3. Step 3: Cross multiply
    15,915.24x = 23,869.78 × 15,124.95
  4. Step 4: Simplify right side
    15,915.24x = 361,029,191.20
  5. Step 5: Solve for x
    x = 361,029,191.20/15,915.24
  6. Step 6: Final answer
    x = 22,684.50

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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.