Home / 18,301.66-25,247.90-10,747.85

Finding the Fourth Proportional to 18,301.66, 25,247.90 and 10,747.85

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Solution

The fourth proportional to 18,301.66, 25,247.90 and 10,747.85 is: 14,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.66 : 25,247.90 = 10,747.85 : x
  2. Step 2: Convert to fraction form
    18,301.66/25,247.90 = 10,747.85/x
  3. Step 3: Cross multiply
    18,301.66x = 25,247.90 × 10,747.85
  4. Step 4: Simplify right side
    18,301.66x = 271,360,642.02
  5. Step 5: Solve for x
    x = 271,360,642.02/18,301.66
  6. Step 6: Final answer
    x = 14,827.11

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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.