Home / 25,065.72-34,572.30-17,999.40

Finding the Fourth Proportional to 25,065.72, 34,572.30 and 17,999.40

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Solution

The fourth proportional to 25,065.72, 34,572.30 and 17,999.40 is: 24,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.72 : 34,572.30 = 17,999.40 : x
  2. Step 2: Convert to fraction form
    25,065.72/34,572.30 = 17,999.40/x
  3. Step 3: Cross multiply
    25,065.72x = 34,572.30 × 17,999.40
  4. Step 4: Simplify right side
    25,065.72x = 622,280,656.62
  5. Step 5: Solve for x
    x = 622,280,656.62/25,065.72
  6. Step 6: Final answer
    x = 24,825.96

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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.