Home / 18,550.72-25,600.20-10,167.28

Finding the Fourth Proportional to 18,550.72, 25,600.20 and 10,167.28

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Solution

The fourth proportional to 18,550.72, 25,600.20 and 10,167.28 is: 14,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.72 : 25,600.20 = 10,167.28 : x
  2. Step 2: Convert to fraction form
    18,550.72/25,600.20 = 10,167.28/x
  3. Step 3: Cross multiply
    18,550.72x = 25,600.20 × 10,167.28
  4. Step 4: Simplify right side
    18,550.72x = 260,284,401.46
  5. Step 5: Solve for x
    x = 260,284,401.46/18,550.72
  6. Step 6: Final answer
    x = 14,030.96

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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.