Home / 18,498.75-25,528.25-10,000.88

Finding the Fourth Proportional to 18,498.75, 25,528.25 and 10,000.88

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Solution

The fourth proportional to 18,498.75, 25,528.25 and 10,000.88 is: 13,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.75 : 25,528.25 = 10,000.88 : x
  2. Step 2: Convert to fraction form
    18,498.75/25,528.25 = 10,000.88/x
  3. Step 3: Cross multiply
    18,498.75x = 25,528.25 × 10,000.88
  4. Step 4: Simplify right side
    18,498.75x = 255,304,787.21
  5. Step 5: Solve for x
    x = 255,304,787.21/18,498.75
  6. Step 6: Final answer
    x = 13,801.19

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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.