Home / 18,174.24-25,079.78-10,107.86

Finding the Fourth Proportional to 18,174.24, 25,079.78 and 10,107.86

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Solution

The fourth proportional to 18,174.24, 25,079.78 and 10,107.86 is: 13,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.24 : 25,079.78 = 10,107.86 : x
  2. Step 2: Convert to fraction form
    18,174.24/25,079.78 = 10,107.86/x
  3. Step 3: Cross multiply
    18,174.24x = 25,079.78 × 10,107.86
  4. Step 4: Simplify right side
    18,174.24x = 253,502,905.07
  5. Step 5: Solve for x
    x = 253,502,905.07/18,174.24
  6. Step 6: Final answer
    x = 13,948.47

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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.