Home / 16,191.60-24,287.47-8,289.81

Finding the Fourth Proportional to 16,191.60, 24,287.47 and 8,289.81

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Solution

The fourth proportional to 16,191.60, 24,287.47 and 8,289.81 is: 12,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.60 : 24,287.47 = 8,289.81 : x
  2. Step 2: Convert to fraction form
    16,191.60/24,287.47 = 8,289.81/x
  3. Step 3: Cross multiply
    16,191.60x = 24,287.47 × 8,289.81
  4. Step 4: Simplify right side
    16,191.60x = 201,338,511.68
  5. Step 5: Solve for x
    x = 201,338,511.68/16,191.60
  6. Step 6: Final answer
    x = 12,434.75

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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.