Home / 16,043.20-22,140.48-9,325.60

Finding the Fourth Proportional to 16,043.20, 22,140.48 and 9,325.60

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Solution

The fourth proportional to 16,043.20, 22,140.48 and 9,325.60 is: 12,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,043.20 : 22,140.48 = 9,325.60 : x
  2. Step 2: Convert to fraction form
    16,043.20/22,140.48 = 9,325.60/x
  3. Step 3: Cross multiply
    16,043.20x = 22,140.48 × 9,325.60
  4. Step 4: Simplify right side
    16,043.20x = 206,473,260.29
  5. Step 5: Solve for x
    x = 206,473,260.29/16,043.20
  6. Step 6: Final answer
    x = 12,869.83

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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.