Home / 25,245.47-37,869.76-10,455.55

Finding the Fourth Proportional to 25,245.47, 37,869.76 and 10,455.55

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Solution

The fourth proportional to 25,245.47, 37,869.76 and 10,455.55 is: 15,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.47 : 37,869.76 = 10,455.55 : x
  2. Step 2: Convert to fraction form
    25,245.47/37,869.76 = 10,455.55/x
  3. Step 3: Cross multiply
    25,245.47x = 37,869.76 × 10,455.55
  4. Step 4: Simplify right side
    25,245.47x = 395,949,087.56
  5. Step 5: Solve for x
    x = 395,949,087.56/25,245.47
  6. Step 6: Final answer
    x = 15,683.96

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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.