Home / 25,531.62-35,236.90-15,460.08

Finding the Fourth Proportional to 25,531.62, 35,236.90 and 15,460.08

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Solution

The fourth proportional to 25,531.62, 35,236.90 and 15,460.08 is: 21,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.62 : 35,236.90 = 15,460.08 : x
  2. Step 2: Convert to fraction form
    25,531.62/35,236.90 = 15,460.08/x
  3. Step 3: Cross multiply
    25,531.62x = 35,236.90 × 15,460.08
  4. Step 4: Simplify right side
    25,531.62x = 544,765,292.95
  5. Step 5: Solve for x
    x = 544,765,292.95/25,531.62
  6. Step 6: Final answer
    x = 21,336.89

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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.