Home / 17,225.60-25,840.80-5,542.40

Finding the Fourth Proportional to 17,225.60, 25,840.80 and 5,542.40

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Solution

The fourth proportional to 17,225.60, 25,840.80 and 5,542.40 is: 8,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.60 : 25,840.80 = 5,542.40 : x
  2. Step 2: Convert to fraction form
    17,225.60/25,840.80 = 5,542.40/x
  3. Step 3: Cross multiply
    17,225.60x = 25,840.80 × 5,542.40
  4. Step 4: Simplify right side
    17,225.60x = 143,220,049.92
  5. Step 5: Solve for x
    x = 143,220,049.92/17,225.60
  6. Step 6: Final answer
    x = 8,314.37

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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.