Home / 24,009.60-36,008.64-12,316.80

Finding the Fourth Proportional to 24,009.60, 36,008.64 and 12,316.80

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Solution

The fourth proportional to 24,009.60, 36,008.64 and 12,316.80 is: 18,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,009.60 : 36,008.64 = 12,316.80 : x
  2. Step 2: Convert to fraction form
    24,009.60/36,008.64 = 12,316.80/x
  3. Step 3: Cross multiply
    24,009.60x = 36,008.64 × 12,316.80
  4. Step 4: Simplify right side
    24,009.60x = 443,511,217.15
  5. Step 5: Solve for x
    x = 443,511,217.15/24,009.60
  6. Step 6: Final answer
    x = 18,472.25

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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.