Home / 25,398.90-38,091.06-8,758.26

Finding the Fourth Proportional to 25,398.90, 38,091.06 and 8,758.26

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Solution

The fourth proportional to 25,398.90, 38,091.06 and 8,758.26 is: 13,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.90 : 38,091.06 = 8,758.26 : x
  2. Step 2: Convert to fraction form
    25,398.90/38,091.06 = 8,758.26/x
  3. Step 3: Cross multiply
    25,398.90x = 38,091.06 × 8,758.26
  4. Step 4: Simplify right side
    25,398.90x = 333,611,407.16
  5. Step 5: Solve for x
    x = 333,611,407.16/25,398.90
  6. Step 6: Final answer
    x = 13,134.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.