Home / 18,393.38-25,381.10-10,325.18

Finding the Fourth Proportional to 18,393.38, 25,381.10 and 10,325.18

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Solution

The fourth proportional to 18,393.38, 25,381.10 and 10,325.18 is: 14,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.38 : 25,381.10 = 10,325.18 : x
  2. Step 2: Convert to fraction form
    18,393.38/25,381.10 = 10,325.18/x
  3. Step 3: Cross multiply
    18,393.38x = 25,381.10 × 10,325.18
  4. Step 4: Simplify right side
    18,393.38x = 262,064,426.10
  5. Step 5: Solve for x
    x = 262,064,426.10/18,393.38
  6. Step 6: Final answer
    x = 14,247.76

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Half 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.