Home / 24,148.80-36,223.20-20,649.60

Finding the Fourth Proportional to 24,148.80, 36,223.20 and 20,649.60

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Solution

The fourth proportional to 24,148.80, 36,223.20 and 20,649.60 is: 30,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,148.80 : 36,223.20 = 20,649.60 : x
  2. Step 2: Convert to fraction form
    24,148.80/36,223.20 = 20,649.60/x
  3. Step 3: Cross multiply
    24,148.80x = 36,223.20 × 20,649.60
  4. Step 4: Simplify right side
    24,148.80x = 747,994,590.72
  5. Step 5: Solve for x
    x = 747,994,590.72/24,148.80
  6. Step 6: Final answer
    x = 30,974.40

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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.