Home / 25,424.22-38,136.56-10,439.58

Finding the Fourth Proportional to 25,424.22, 38,136.56 and 10,439.58

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Solution

The fourth proportional to 25,424.22, 38,136.56 and 10,439.58 is: 15,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.22 : 38,136.56 = 10,439.58 : x
  2. Step 2: Convert to fraction form
    25,424.22/38,136.56 = 10,439.58/x
  3. Step 3: Cross multiply
    25,424.22x = 38,136.56 × 10,439.58
  4. Step 4: Simplify right side
    25,424.22x = 398,129,616.85
  5. Step 5: Solve for x
    x = 398,129,616.85/25,424.22
  6. Step 6: Final answer
    x = 15,659.46

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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.