Home / 18,508.60-25,543.38-10,553.32

Finding the Fourth Proportional to 18,508.60, 25,543.38 and 10,553.32

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Solution

The fourth proportional to 18,508.60, 25,543.38 and 10,553.32 is: 14,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.60 : 25,543.38 = 10,553.32 : x
  2. Step 2: Convert to fraction form
    18,508.60/25,543.38 = 10,553.32/x
  3. Step 3: Cross multiply
    18,508.60x = 25,543.38 × 10,553.32
  4. Step 4: Simplify right side
    18,508.60x = 269,567,463.02
  5. Step 5: Solve for x
    x = 269,567,463.02/18,508.60
  6. Step 6: Final answer
    x = 14,564.44

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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.