Home / 15,102.55-22,552.10-12,334.71

Finding the Fourth Proportional to 15,102.55, 22,552.10 and 12,334.71

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Solution

The fourth proportional to 15,102.55, 22,552.10 and 12,334.71 is: 18,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.55 : 22,552.10 = 12,334.71 : x
  2. Step 2: Convert to fraction form
    15,102.55/22,552.10 = 12,334.71/x
  3. Step 3: Cross multiply
    15,102.55x = 22,552.10 × 12,334.71
  4. Step 4: Simplify right side
    15,102.55x = 278,173,644.23
  5. Step 5: Solve for x
    x = 278,173,644.23/15,102.55
  6. Step 6: Final answer
    x = 18,418.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.