Home / 25,902.66-38,853.99-10,320.42

Finding the Fourth Proportional to 25,902.66, 38,853.99 and 10,320.42

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Solution

The fourth proportional to 25,902.66, 38,853.99 and 10,320.42 is: 15,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.66 : 38,853.99 = 10,320.42 : x
  2. Step 2: Convert to fraction form
    25,902.66/38,853.99 = 10,320.42/x
  3. Step 3: Cross multiply
    25,902.66x = 38,853.99 × 10,320.42
  4. Step 4: Simplify right side
    25,902.66x = 400,989,495.48
  5. Step 5: Solve for x
    x = 400,989,495.48/25,902.66
  6. Step 6: Final answer
    x = 15,480.63

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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.