Home / 18,561.42-25,614.72-10,178.46

Finding the Fourth Proportional to 18,561.42, 25,614.72 and 10,178.46

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Solution

The fourth proportional to 18,561.42, 25,614.72 and 10,178.46 is: 14,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.42 : 25,614.72 = 10,178.46 : x
  2. Step 2: Convert to fraction form
    18,561.42/25,614.72 = 10,178.46/x
  3. Step 3: Cross multiply
    18,561.42x = 25,614.72 × 10,178.46
  4. Step 4: Simplify right side
    18,561.42x = 260,718,402.93
  5. Step 5: Solve for x
    x = 260,718,402.93/18,561.42
  6. Step 6: Final answer
    x = 14,046.25

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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.