Home / 18,381.98-25,367.14-10,424.23

Finding the Fourth Proportional to 18,381.98, 25,367.14 and 10,424.23

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Solution

The fourth proportional to 18,381.98, 25,367.14 and 10,424.23 is: 14,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.98 : 25,367.14 = 10,424.23 : x
  2. Step 2: Convert to fraction form
    18,381.98/25,367.14 = 10,424.23/x
  3. Step 3: Cross multiply
    18,381.98x = 25,367.14 × 10,424.23
  4. Step 4: Simplify right side
    18,381.98x = 264,432,901.80
  5. Step 5: Solve for x
    x = 264,432,901.80/18,381.98
  6. Step 6: Final answer
    x = 14,385.44

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Half scale
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Double scale
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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.