Home / 25,505.85-38,219.79-17,154.96

Finding the Fourth Proportional to 25,505.85, 38,219.79 and 17,154.96

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Solution

The fourth proportional to 25,505.85, 38,219.79 and 17,154.96 is: 25,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.85 : 38,219.79 = 17,154.96 : x
  2. Step 2: Convert to fraction form
    25,505.85/38,219.79 = 17,154.96/x
  3. Step 3: Cross multiply
    25,505.85x = 38,219.79 × 17,154.96
  4. Step 4: Simplify right side
    25,505.85x = 655,658,968.66
  5. Step 5: Solve for x
    x = 655,658,968.66/25,505.85
  6. Step 6: Final answer
    x = 25,706.22

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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.