Home / 25,120.74-37,654.56-9,099.59

Finding the Fourth Proportional to 25,120.74, 37,654.56 and 9,099.59

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Solution

The fourth proportional to 25,120.74, 37,654.56 and 9,099.59 is: 13,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.74 : 37,654.56 = 9,099.59 : x
  2. Step 2: Convert to fraction form
    25,120.74/37,654.56 = 9,099.59/x
  3. Step 3: Cross multiply
    25,120.74x = 37,654.56 × 9,099.59
  4. Step 4: Simplify right side
    25,120.74x = 342,640,869.36
  5. Step 5: Solve for x
    x = 342,640,869.36/25,120.74
  6. Step 6: Final answer
    x = 13,639.76

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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.