Home / 18,545.28-25,592.43-10,161.78

Finding the Fourth Proportional to 18,545.28, 25,592.43 and 10,161.78

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Solution

The fourth proportional to 18,545.28, 25,592.43 and 10,161.78 is: 14,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.28 : 25,592.43 = 10,161.78 : x
  2. Step 2: Convert to fraction form
    18,545.28/25,592.43 = 10,161.78/x
  3. Step 3: Cross multiply
    18,545.28x = 25,592.43 × 10,161.78
  4. Step 4: Simplify right side
    18,545.28x = 260,064,643.33
  5. Step 5: Solve for x
    x = 260,064,643.33/18,545.28
  6. Step 6: Final answer
    x = 14,023.23

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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.