Home / 25,789.11-35,587.11-15,177.30

Finding the Fourth Proportional to 25,789.11, 35,587.11 and 15,177.30

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Solution

The fourth proportional to 25,789.11, 35,587.11 and 15,177.30 is: 20,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.11 : 35,587.11 = 15,177.30 : x
  2. Step 2: Convert to fraction form
    25,789.11/35,587.11 = 15,177.30/x
  3. Step 3: Cross multiply
    25,789.11x = 35,587.11 × 15,177.30
  4. Step 4: Simplify right side
    25,789.11x = 540,116,244.60
  5. Step 5: Solve for x
    x = 540,116,244.60/25,789.11
  6. Step 6: Final answer
    x = 20,943.58

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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.