Home / 25,705.48-35,469.79-15,098.53

Finding the Fourth Proportional to 25,705.48, 35,469.79 and 15,098.53

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Solution

The fourth proportional to 25,705.48, 35,469.79 and 15,098.53 is: 20,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.48 : 35,469.79 = 15,098.53 : x
  2. Step 2: Convert to fraction form
    25,705.48/35,469.79 = 15,098.53/x
  3. Step 3: Cross multiply
    25,705.48x = 35,469.79 × 15,098.53
  4. Step 4: Simplify right side
    25,705.48x = 535,541,688.41
  5. Step 5: Solve for x
    x = 535,541,688.41/25,705.48
  6. Step 6: Final answer
    x = 20,833.76

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1.5x scale

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.