Home / 24,520.40-36,780.60-21,798.80

Finding the Fourth Proportional to 24,520.40, 36,780.60 and 21,798.80

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Solution

The fourth proportional to 24,520.40, 36,780.60 and 21,798.80 is: 32,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,520.40 : 36,780.60 = 21,798.80 : x
  2. Step 2: Convert to fraction form
    24,520.40/36,780.60 = 21,798.80/x
  3. Step 3: Cross multiply
    24,520.40x = 36,780.60 × 21,798.80
  4. Step 4: Simplify right side
    24,520.40x = 801,772,943.28
  5. Step 5: Solve for x
    x = 801,772,943.28/24,520.40
  6. Step 6: Final answer
    x = 32,698.20

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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.