Home / 18,494.24-25,521.96-10,428.75

Finding the Fourth Proportional to 18,494.24, 25,521.96 and 10,428.75

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Solution

The fourth proportional to 18,494.24, 25,521.96 and 10,428.75 is: 14,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.24 : 25,521.96 = 10,428.75 : x
  2. Step 2: Convert to fraction form
    18,494.24/25,521.96 = 10,428.75/x
  3. Step 3: Cross multiply
    18,494.24x = 25,521.96 × 10,428.75
  4. Step 4: Simplify right side
    18,494.24x = 266,162,140.35
  5. Step 5: Solve for x
    x = 266,162,140.35/18,494.24
  6. Step 6: Final answer
    x = 14,391.63

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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.