Home / 18,515.61-25,545.18-10,552.08

Finding the Fourth Proportional to 18,515.61, 25,545.18 and 10,552.08

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Solution

The fourth proportional to 18,515.61, 25,545.18 and 10,552.08 is: 14,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.61 : 25,545.18 = 10,552.08 : x
  2. Step 2: Convert to fraction form
    18,515.61/25,545.18 = 10,552.08/x
  3. Step 3: Cross multiply
    18,515.61x = 25,545.18 × 10,552.08
  4. Step 4: Simplify right side
    18,515.61x = 269,554,782.97
  5. Step 5: Solve for x
    x = 269,554,782.97/18,515.61
  6. Step 6: Final answer
    x = 14,558.24

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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.