Home / 15,419.58-23,132.97-5,557.02

Finding the Fourth Proportional to 15,419.58, 23,132.97 and 5,557.02

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Solution

The fourth proportional to 15,419.58, 23,132.97 and 5,557.02 is: 8,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.58 : 23,132.97 = 5,557.02 : x
  2. Step 2: Convert to fraction form
    15,419.58/23,132.97 = 5,557.02/x
  3. Step 3: Cross multiply
    15,419.58x = 23,132.97 × 5,557.02
  4. Step 4: Simplify right side
    15,419.58x = 128,550,376.95
  5. Step 5: Solve for x
    x = 128,550,376.95/15,419.58
  6. Step 6: Final answer
    x = 8,336.83

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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.