Home / 15,773.24-21,753.36-13,648.10

Finding the Fourth Proportional to 15,773.24, 21,753.36 and 13,648.10

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Solution

The fourth proportional to 15,773.24, 21,753.36 and 13,648.10 is: 18,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.24 : 21,753.36 = 13,648.10 : x
  2. Step 2: Convert to fraction form
    15,773.24/21,753.36 = 13,648.10/x
  3. Step 3: Cross multiply
    15,773.24x = 21,753.36 × 13,648.10
  4. Step 4: Simplify right side
    15,773.24x = 296,891,923.85
  5. Step 5: Solve for x
    x = 296,891,923.85/15,773.24
  6. Step 6: Final answer
    x = 18,822.50

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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.