Home / 25,129.12-37,701.54-15,775.60

Finding the Fourth Proportional to 25,129.12, 37,701.54 and 15,775.60

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Solution

The fourth proportional to 25,129.12, 37,701.54 and 15,775.60 is: 23,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.12 : 37,701.54 = 15,775.60 : x
  2. Step 2: Convert to fraction form
    25,129.12/37,701.54 = 15,775.60/x
  3. Step 3: Cross multiply
    25,129.12x = 37,701.54 × 15,775.60
  4. Step 4: Simplify right side
    25,129.12x = 594,764,414.42
  5. Step 5: Solve for x
    x = 594,764,414.42/25,129.12
  6. Step 6: Final answer
    x = 23,668.33

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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.