Home / 23,102.24-31,881.36-13,031.16

Finding the Fourth Proportional to 23,102.24, 31,881.36 and 13,031.16

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Solution

The fourth proportional to 23,102.24, 31,881.36 and 13,031.16 is: 17,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.24 : 31,881.36 = 13,031.16 : x
  2. Step 2: Convert to fraction form
    23,102.24/31,881.36 = 13,031.16/x
  3. Step 3: Cross multiply
    23,102.24x = 31,881.36 × 13,031.16
  4. Step 4: Simplify right side
    23,102.24x = 415,451,103.18
  5. Step 5: Solve for x
    x = 415,451,103.18/23,102.24
  6. Step 6: Final answer
    x = 17,983.15

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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.