Home / 24,767.20-34,114.80-20,274.40

Finding the Fourth Proportional to 24,767.20, 34,114.80 and 20,274.40

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Solution

The fourth proportional to 24,767.20, 34,114.80 and 20,274.40 is: 27,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,767.20 : 34,114.80 = 20,274.40 : x
  2. Step 2: Convert to fraction form
    24,767.20/34,114.80 = 20,274.40/x
  3. Step 3: Cross multiply
    24,767.20x = 34,114.80 × 20,274.40
  4. Step 4: Simplify right side
    24,767.20x = 691,657,101.12
  5. Step 5: Solve for x
    x = 691,657,101.12/24,767.20
  6. Step 6: Final answer
    x = 27,926.33

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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.