Home / 24,368.60-36,550.20-19,978.40

Finding the Fourth Proportional to 24,368.60, 36,550.20 and 19,978.40

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Solution

The fourth proportional to 24,368.60, 36,550.20 and 19,978.40 is: 29,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,368.60 : 36,550.20 = 19,978.40 : x
  2. Step 2: Convert to fraction form
    24,368.60/36,550.20 = 19,978.40/x
  3. Step 3: Cross multiply
    24,368.60x = 36,550.20 × 19,978.40
  4. Step 4: Simplify right side
    24,368.60x = 730,214,515.68
  5. Step 5: Solve for x
    x = 730,214,515.68/24,368.60
  6. Step 6: Final answer
    x = 29,965.39

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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.