Home / 16,484.22-24,684.75-10,920.78

Finding the Fourth Proportional to 16,484.22, 24,684.75 and 10,920.78

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Solution

The fourth proportional to 16,484.22, 24,684.75 and 10,920.78 is: 16,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,484.22 : 24,684.75 = 10,920.78 : x
  2. Step 2: Convert to fraction form
    16,484.22/24,684.75 = 10,920.78/x
  3. Step 3: Cross multiply
    16,484.22x = 24,684.75 × 10,920.78
  4. Step 4: Simplify right side
    16,484.22x = 269,576,724.11
  5. Step 5: Solve for x
    x = 269,576,724.11/16,484.22
  6. Step 6: Final answer
    x = 16,353.62

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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.