Home / 25,422.14-35,084.40-15,353.04

Finding the Fourth Proportional to 25,422.14, 35,084.40 and 15,353.04

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Solution

The fourth proportional to 25,422.14, 35,084.40 and 15,353.04 is: 21,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.14 : 35,084.40 = 15,353.04 : x
  2. Step 2: Convert to fraction form
    25,422.14/35,084.40 = 15,353.04/x
  3. Step 3: Cross multiply
    25,422.14x = 35,084.40 × 15,353.04
  4. Step 4: Simplify right side
    25,422.14x = 538,652,196.58
  5. Step 5: Solve for x
    x = 538,652,196.58/25,422.14
  6. Step 6: Final answer
    x = 21,188.31

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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.