Home / 16,320.08-24,472.56-13,192.40

Finding the Fourth Proportional to 16,320.08, 24,472.56 and 13,192.40

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Solution

The fourth proportional to 16,320.08, 24,472.56 and 13,192.40 is: 19,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.08 : 24,472.56 = 13,192.40 : x
  2. Step 2: Convert to fraction form
    16,320.08/24,472.56 = 13,192.40/x
  3. Step 3: Cross multiply
    16,320.08x = 24,472.56 × 13,192.40
  4. Step 4: Simplify right side
    16,320.08x = 322,851,800.54
  5. Step 5: Solve for x
    x = 322,851,800.54/16,320.08
  6. Step 6: Final answer
    x = 19,782.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.