Home / 18,427.68-25,423.92-10,469.52

Finding the Fourth Proportional to 18,427.68, 25,423.92 and 10,469.52

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Solution

The fourth proportional to 18,427.68, 25,423.92 and 10,469.52 is: 14,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.68 : 25,423.92 = 10,469.52 : x
  2. Step 2: Convert to fraction form
    18,427.68/25,423.92 = 10,469.52/x
  3. Step 3: Cross multiply
    18,427.68x = 25,423.92 × 10,469.52
  4. Step 4: Simplify right side
    18,427.68x = 266,176,238.92
  5. Step 5: Solve for x
    x = 266,176,238.92/18,427.68
  6. Step 6: Final answer
    x = 14,444.37

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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.