Home / 24,420.59-33,704.40-20,440.25

Finding the Fourth Proportional to 24,420.59, 33,704.40 and 20,440.25

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Solution

The fourth proportional to 24,420.59, 33,704.40 and 20,440.25 is: 28,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,420.59 : 33,704.40 = 20,440.25 : x
  2. Step 2: Convert to fraction form
    24,420.59/33,704.40 = 20,440.25/x
  3. Step 3: Cross multiply
    24,420.59x = 33,704.40 × 20,440.25
  4. Step 4: Simplify right side
    24,420.59x = 688,926,396.62
  5. Step 5: Solve for x
    x = 688,926,396.62/24,420.59
  6. Step 6: Final answer
    x = 28,210.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.