Home / 24,158.40-36,194.40-20,443.20

Finding the Fourth Proportional to 24,158.40, 36,194.40 and 20,443.20

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Solution

The fourth proportional to 24,158.40, 36,194.40 and 20,443.20 is: 30,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,158.40 : 36,194.40 = 20,443.20 : x
  2. Step 2: Convert to fraction form
    24,158.40/36,194.40 = 20,443.20/x
  3. Step 3: Cross multiply
    24,158.40x = 36,194.40 × 20,443.20
  4. Step 4: Simplify right side
    24,158.40x = 739,929,358.08
  5. Step 5: Solve for x
    x = 739,929,358.08/24,158.40
  6. Step 6: Final answer
    x = 30,628.24

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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.