Home / 25,729.74-35,475.21-20,694.17

Finding the Fourth Proportional to 25,729.74, 35,475.21 and 20,694.17

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Solution

The fourth proportional to 25,729.74, 35,475.21 and 20,694.17 is: 28,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.74 : 35,475.21 = 20,694.17 : x
  2. Step 2: Convert to fraction form
    25,729.74/35,475.21 = 20,694.17/x
  3. Step 3: Cross multiply
    25,729.74x = 35,475.21 × 20,694.17
  4. Step 4: Simplify right side
    25,729.74x = 734,129,849.15
  5. Step 5: Solve for x
    x = 734,129,849.15/25,729.74
  6. Step 6: Final answer
    x = 28,532.35

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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.