Home / 26,031.64-39,042.54-12,691.25

Finding the Fourth Proportional to 26,031.64, 39,042.54 and 12,691.25

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Solution

The fourth proportional to 26,031.64, 39,042.54 and 12,691.25 is: 19,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.64 : 39,042.54 = 12,691.25 : x
  2. Step 2: Convert to fraction form
    26,031.64/39,042.54 = 12,691.25/x
  3. Step 3: Cross multiply
    26,031.64x = 39,042.54 × 12,691.25
  4. Step 4: Simplify right side
    26,031.64x = 495,498,635.78
  5. Step 5: Solve for x
    x = 495,498,635.78/26,031.64
  6. Step 6: Final answer
    x = 19,034.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.