Home / 25,475.20-38,212.80-13,033.60

Finding the Fourth Proportional to 25,475.20, 38,212.80 and 13,033.60

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Solution

The fourth proportional to 25,475.20, 38,212.80 and 13,033.60 is: 19,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.20 : 38,212.80 = 13,033.60 : x
  2. Step 2: Convert to fraction form
    25,475.20/38,212.80 = 13,033.60/x
  3. Step 3: Cross multiply
    25,475.20x = 38,212.80 × 13,033.60
  4. Step 4: Simplify right side
    25,475.20x = 498,050,350.08
  5. Step 5: Solve for x
    x = 498,050,350.08/25,475.20
  6. Step 6: Final answer
    x = 19,550.40

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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.