Home / 25,129.66-34,679.56-13,800.28

Finding the Fourth Proportional to 25,129.66, 34,679.56 and 13,800.28

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Solution

The fourth proportional to 25,129.66, 34,679.56 and 13,800.28 is: 19,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.66 : 34,679.56 = 13,800.28 : x
  2. Step 2: Convert to fraction form
    25,129.66/34,679.56 = 13,800.28/x
  3. Step 3: Cross multiply
    25,129.66x = 34,679.56 × 13,800.28
  4. Step 4: Simplify right side
    25,129.66x = 478,587,638.28
  5. Step 5: Solve for x
    x = 478,587,638.28/25,129.66
  6. Step 6: Final answer
    x = 19,044.73

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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.