Home / 18,657.68-25,743.15-10,589.56

Finding the Fourth Proportional to 18,657.68, 25,743.15 and 10,589.56

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Solution

The fourth proportional to 18,657.68, 25,743.15 and 10,589.56 is: 14,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.68 : 25,743.15 = 10,589.56 : x
  2. Step 2: Convert to fraction form
    18,657.68/25,743.15 = 10,589.56/x
  3. Step 3: Cross multiply
    18,657.68x = 25,743.15 × 10,589.56
  4. Step 4: Simplify right side
    18,657.68x = 272,608,567.16
  5. Step 5: Solve for x
    x = 272,608,567.16/18,657.68
  6. Step 6: Final answer
    x = 14,611.07

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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.