Home / 24,511.60-36,767.40-20,429.20

Finding the Fourth Proportional to 24,511.60, 36,767.40 and 20,429.20

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Solution

The fourth proportional to 24,511.60, 36,767.40 and 20,429.20 is: 30,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,511.60 : 36,767.40 = 20,429.20 : x
  2. Step 2: Convert to fraction form
    24,511.60/36,767.40 = 20,429.20/x
  3. Step 3: Cross multiply
    24,511.60x = 36,767.40 × 20,429.20
  4. Step 4: Simplify right side
    24,511.60x = 751,128,568.08
  5. Step 5: Solve for x
    x = 751,128,568.08/24,511.60
  6. Step 6: Final answer
    x = 30,643.80

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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.