Home / 25,222.20-37,854.90-11,203.80

Finding the Fourth Proportional to 25,222.20, 37,854.90 and 11,203.80

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Solution

The fourth proportional to 25,222.20, 37,854.90 and 11,203.80 is: 16,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.20 : 37,854.90 = 11,203.80 : x
  2. Step 2: Convert to fraction form
    25,222.20/37,854.90 = 11,203.80/x
  3. Step 3: Cross multiply
    25,222.20x = 37,854.90 × 11,203.80
  4. Step 4: Simplify right side
    25,222.20x = 424,118,728.62
  5. Step 5: Solve for x
    x = 424,118,728.62/25,222.20
  6. Step 6: Final answer
    x = 16,815.29

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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.