Home / 25,423.44-38,142.96-11,395.20

Finding the Fourth Proportional to 25,423.44, 38,142.96 and 11,395.20

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Solution

The fourth proportional to 25,423.44, 38,142.96 and 11,395.20 is: 17,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.44 : 38,142.96 = 11,395.20 : x
  2. Step 2: Convert to fraction form
    25,423.44/38,142.96 = 11,395.20/x
  3. Step 3: Cross multiply
    25,423.44x = 38,142.96 × 11,395.20
  4. Step 4: Simplify right side
    25,423.44x = 434,646,657.79
  5. Step 5: Solve for x
    x = 434,646,657.79/25,423.44
  6. Step 6: Final answer
    x = 17,096.30

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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.