Home / 25,701.60-35,474.40-16,147.20

Finding the Fourth Proportional to 25,701.60, 35,474.40 and 16,147.20

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Solution

The fourth proportional to 25,701.60, 35,474.40 and 16,147.20 is: 22,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.60 : 35,474.40 = 16,147.20 : x
  2. Step 2: Convert to fraction form
    25,701.60/35,474.40 = 16,147.20/x
  3. Step 3: Cross multiply
    25,701.60x = 35,474.40 × 16,147.20
  4. Step 4: Simplify right side
    25,701.60x = 572,812,231.68
  5. Step 5: Solve for x
    x = 572,812,231.68/25,701.60
  6. Step 6: Final answer
    x = 22,287.03

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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.