Home / 16,720.83-25,026.57-9,306.90

Finding the Fourth Proportional to 16,720.83, 25,026.57 and 9,306.90

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Solution

The fourth proportional to 16,720.83, 25,026.57 and 9,306.90 is: 13,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.83 : 25,026.57 = 9,306.90 : x
  2. Step 2: Convert to fraction form
    16,720.83/25,026.57 = 9,306.90/x
  3. Step 3: Cross multiply
    16,720.83x = 25,026.57 × 9,306.90
  4. Step 4: Simplify right side
    16,720.83x = 232,919,784.33
  5. Step 5: Solve for x
    x = 232,919,784.33/16,720.83
  6. Step 6: Final answer
    x = 13,929.92

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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.