Home / 25,358.40-35,002.73-17,806.56

Finding the Fourth Proportional to 25,358.40, 35,002.73 and 17,806.56

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Solution

The fourth proportional to 25,358.40, 35,002.73 and 17,806.56 is: 24,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.40 : 35,002.73 = 17,806.56 : x
  2. Step 2: Convert to fraction form
    25,358.40/35,002.73 = 17,806.56/x
  3. Step 3: Cross multiply
    25,358.40x = 35,002.73 × 17,806.56
  4. Step 4: Simplify right side
    25,358.40x = 623,278,122.88
  5. Step 5: Solve for x
    x = 623,278,122.88/25,358.40
  6. Step 6: Final answer
    x = 24,578.76

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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.