Home / 25,705.08-35,489.88-17,218.17

Finding the Fourth Proportional to 25,705.08, 35,489.88 and 17,218.17

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Solution

The fourth proportional to 25,705.08, 35,489.88 and 17,218.17 is: 23,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.08 : 35,489.88 = 17,218.17 : x
  2. Step 2: Convert to fraction form
    25,705.08/35,489.88 = 17,218.17/x
  3. Step 3: Cross multiply
    25,705.08x = 35,489.88 × 17,218.17
  4. Step 4: Simplify right side
    25,705.08x = 611,070,787.12
  5. Step 5: Solve for x
    x = 611,070,787.12/25,705.08
  6. Step 6: Final answer
    x = 23,772.37

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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.