Home / 19,985.92-29,919.36-14,795.52

Finding the Fourth Proportional to 19,985.92, 29,919.36 and 14,795.52

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Solution

The fourth proportional to 19,985.92, 29,919.36 and 14,795.52 is: 22,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.92 : 29,919.36 = 14,795.52 : x
  2. Step 2: Convert to fraction form
    19,985.92/29,919.36 = 14,795.52/x
  3. Step 3: Cross multiply
    19,985.92x = 29,919.36 × 14,795.52
  4. Step 4: Simplify right side
    19,985.92x = 442,672,489.27
  5. Step 5: Solve for x
    x = 442,672,489.27/19,985.92
  6. Step 6: Final answer
    x = 22,149.22

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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.