Home / 15,524.47-21,432.50-11,883.66

Finding the Fourth Proportional to 15,524.47, 21,432.50 and 11,883.66

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Solution

The fourth proportional to 15,524.47, 21,432.50 and 11,883.66 is: 16,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.47 : 21,432.50 = 11,883.66 : x
  2. Step 2: Convert to fraction form
    15,524.47/21,432.50 = 11,883.66/x
  3. Step 3: Cross multiply
    15,524.47x = 21,432.50 × 11,883.66
  4. Step 4: Simplify right side
    15,524.47x = 254,696,542.95
  5. Step 5: Solve for x
    x = 254,696,542.95/15,524.47
  6. Step 6: Final answer
    x = 16,406.13

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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.