Home / 21,753.32-30,034.02-16,708.52

Finding the Fourth Proportional to 21,753.32, 30,034.02 and 16,708.52

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Solution

The fourth proportional to 21,753.32, 30,034.02 and 16,708.52 is: 23,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.32 : 30,034.02 = 16,708.52 : x
  2. Step 2: Convert to fraction form
    21,753.32/30,034.02 = 16,708.52/x
  3. Step 3: Cross multiply
    21,753.32x = 30,034.02 × 16,708.52
  4. Step 4: Simplify right side
    21,753.32x = 501,824,023.85
  5. Step 5: Solve for x
    x = 501,824,023.85/21,753.32
  6. Step 6: Final answer
    x = 23,068.85

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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.