Home / 25,045.92-34,540.56-17,969.76

Finding the Fourth Proportional to 25,045.92, 34,540.56 and 17,969.76

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Solution

The fourth proportional to 25,045.92, 34,540.56 and 17,969.76 is: 24,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.92 : 34,540.56 = 17,969.76 : x
  2. Step 2: Convert to fraction form
    25,045.92/34,540.56 = 17,969.76/x
  3. Step 3: Cross multiply
    25,045.92x = 34,540.56 × 17,969.76
  4. Step 4: Simplify right side
    25,045.92x = 620,685,573.47
  5. Step 5: Solve for x
    x = 620,685,573.47/25,045.92
  6. Step 6: Final answer
    x = 24,781.90

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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.