Home / 25,815.92-35,625.38-14,485.17

Finding the Fourth Proportional to 25,815.92, 35,625.38 and 14,485.17

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Solution

The fourth proportional to 25,815.92, 35,625.38 and 14,485.17 is: 19,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.92 : 35,625.38 = 14,485.17 : x
  2. Step 2: Convert to fraction form
    25,815.92/35,625.38 = 14,485.17/x
  3. Step 3: Cross multiply
    25,815.92x = 35,625.38 × 14,485.17
  4. Step 4: Simplify right side
    25,815.92x = 516,039,613.19
  5. Step 5: Solve for x
    x = 516,039,613.19/25,815.92
  6. Step 6: Final answer
    x = 19,989.20

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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.