Home / 16,778.47-23,154.56-9,225.13

Finding the Fourth Proportional to 16,778.47, 23,154.56 and 9,225.13

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Solution

The fourth proportional to 16,778.47, 23,154.56 and 9,225.13 is: 12,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.47 : 23,154.56 = 9,225.13 : x
  2. Step 2: Convert to fraction form
    16,778.47/23,154.56 = 9,225.13/x
  3. Step 3: Cross multiply
    16,778.47x = 23,154.56 × 9,225.13
  4. Step 4: Simplify right side
    16,778.47x = 213,603,779.97
  5. Step 5: Solve for x
    x = 213,603,779.97/16,778.47
  6. Step 6: Final answer
    x = 12,730.83

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1.5x scale

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.