Home / 25,043.25-34,558.16-13,712.88

Finding the Fourth Proportional to 25,043.25, 34,558.16 and 13,712.88

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Solution

The fourth proportional to 25,043.25, 34,558.16 and 13,712.88 is: 18,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.25 : 34,558.16 = 13,712.88 : x
  2. Step 2: Convert to fraction form
    25,043.25/34,558.16 = 13,712.88/x
  3. Step 3: Cross multiply
    25,043.25x = 34,558.16 × 13,712.88
  4. Step 4: Simplify right side
    25,043.25x = 473,891,787.02
  5. Step 5: Solve for x
    x = 473,891,787.02/25,043.25
  6. Step 6: Final answer
    x = 18,922.94

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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.