Home / 16,135.18-22,266.71-9,328.69

Finding the Fourth Proportional to 16,135.18, 22,266.71 and 9,328.69

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Solution

The fourth proportional to 16,135.18, 22,266.71 and 9,328.69 is: 12,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.18 : 22,266.71 = 9,328.69 : x
  2. Step 2: Convert to fraction form
    16,135.18/22,266.71 = 9,328.69/x
  3. Step 3: Cross multiply
    16,135.18x = 22,266.71 × 9,328.69
  4. Step 4: Simplify right side
    16,135.18x = 207,719,234.91
  5. Step 5: Solve for x
    x = 207,719,234.91/16,135.18
  6. Step 6: Final answer
    x = 12,873.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.