Home / 23,174.28-31,985.28-13,103.16

Finding the Fourth Proportional to 23,174.28, 31,985.28 and 13,103.16

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Solution

The fourth proportional to 23,174.28, 31,985.28 and 13,103.16 is: 18,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.28 : 31,985.28 = 13,103.16 : x
  2. Step 2: Convert to fraction form
    23,174.28/31,985.28 = 13,103.16/x
  3. Step 3: Cross multiply
    23,174.28x = 31,985.28 × 13,103.16
  4. Step 4: Simplify right side
    23,174.28x = 419,108,241.48
  5. Step 5: Solve for x
    x = 419,108,241.48/23,174.28
  6. Step 6: Final answer
    x = 18,085.06

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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.