Home / 18,561.76-25,614.97-10,178.26

Finding the Fourth Proportional to 18,561.76, 25,614.97 and 10,178.26

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Solution

The fourth proportional to 18,561.76, 25,614.97 and 10,178.26 is: 14,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.76 : 25,614.97 = 10,178.26 : x
  2. Step 2: Convert to fraction form
    18,561.76/25,614.97 = 10,178.26/x
  3. Step 3: Cross multiply
    18,561.76x = 25,614.97 × 10,178.26
  4. Step 4: Simplify right side
    18,561.76x = 260,715,824.55
  5. Step 5: Solve for x
    x = 260,715,824.55/18,561.76
  6. Step 6: Final answer
    x = 14,045.86

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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.