Home / 24,943.32-34,388.70-20,678.28

Finding the Fourth Proportional to 24,943.32, 34,388.70 and 20,678.28

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Solution

The fourth proportional to 24,943.32, 34,388.70 and 20,678.28 is: 28,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,943.32 : 34,388.70 = 20,678.28 : x
  2. Step 2: Convert to fraction form
    24,943.32/34,388.70 = 20,678.28/x
  3. Step 3: Cross multiply
    24,943.32x = 34,388.70 × 20,678.28
  4. Step 4: Simplify right side
    24,943.32x = 711,099,167.44
  5. Step 5: Solve for x
    x = 711,099,167.44/24,943.32
  6. Step 6: Final answer
    x = 28,508.60

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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.