Home / 18,417.76-25,426.14-14,375.92

Finding the Fourth Proportional to 18,417.76, 25,426.14 and 14,375.92

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Solution

The fourth proportional to 18,417.76, 25,426.14 and 14,375.92 is: 19,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.76 : 25,426.14 = 14,375.92 : x
  2. Step 2: Convert to fraction form
    18,417.76/25,426.14 = 14,375.92/x
  3. Step 3: Cross multiply
    18,417.76x = 25,426.14 × 14,375.92
  4. Step 4: Simplify right side
    18,417.76x = 365,524,154.55
  5. Step 5: Solve for x
    x = 365,524,154.55/18,417.76
  6. Step 6: Final answer
    x = 19,846.29

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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.