Home / 18,545.45-25,592.30-11,378.16

Finding the Fourth Proportional to 18,545.45, 25,592.30 and 11,378.16

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Solution

The fourth proportional to 18,545.45, 25,592.30 and 11,378.16 is: 15,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.45 : 25,592.30 = 11,378.16 : x
  2. Step 2: Convert to fraction form
    18,545.45/25,592.30 = 11,378.16/x
  3. Step 3: Cross multiply
    18,545.45x = 25,592.30 × 11,378.16
  4. Step 4: Simplify right side
    18,545.45x = 291,193,227.28
  5. Step 5: Solve for x
    x = 291,193,227.28/18,545.45
  6. Step 6: Final answer
    x = 15,701.60

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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.