Home / 25,626.75-35,356.70-20,232.15

Finding the Fourth Proportional to 25,626.75, 35,356.70 and 20,232.15

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Solution

The fourth proportional to 25,626.75, 35,356.70 and 20,232.15 is: 27,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.75 : 35,356.70 = 20,232.15 : x
  2. Step 2: Convert to fraction form
    25,626.75/35,356.70 = 20,232.15/x
  3. Step 3: Cross multiply
    25,626.75x = 35,356.70 × 20,232.15
  4. Step 4: Simplify right side
    25,626.75x = 715,341,956.74
  5. Step 5: Solve for x
    x = 715,341,956.74/25,626.75
  6. Step 6: Final answer
    x = 27,913.88

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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.