Home / 21,583.52-29,784.28-12,023.92

Finding the Fourth Proportional to 21,583.52, 29,784.28 and 12,023.92

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Solution

The fourth proportional to 21,583.52, 29,784.28 and 12,023.92 is: 16,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.52 : 29,784.28 = 12,023.92 : x
  2. Step 2: Convert to fraction form
    21,583.52/29,784.28 = 12,023.92/x
  3. Step 3: Cross multiply
    21,583.52x = 29,784.28 × 12,023.92
  4. Step 4: Simplify right side
    21,583.52x = 358,123,799.98
  5. Step 5: Solve for x
    x = 358,123,799.98/21,583.52
  6. Step 6: Final answer
    x = 16,592.46

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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.