Home / 17,225.40-25,838.10-5,539.80

Finding the Fourth Proportional to 17,225.40, 25,838.10 and 5,539.80

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Solution

The fourth proportional to 17,225.40, 25,838.10 and 5,539.80 is: 8,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.40 : 25,838.10 = 5,539.80 : x
  2. Step 2: Convert to fraction form
    17,225.40/25,838.10 = 5,539.80/x
  3. Step 3: Cross multiply
    17,225.40x = 25,838.10 × 5,539.80
  4. Step 4: Simplify right side
    17,225.40x = 143,137,906.38
  5. Step 5: Solve for x
    x = 143,137,906.38/17,225.40
  6. Step 6: Final answer
    x = 8,309.70

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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.