Home / 16,319.78-22,521.33-9,246.68

Finding the Fourth Proportional to 16,319.78, 22,521.33 and 9,246.68

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Solution

The fourth proportional to 16,319.78, 22,521.33 and 9,246.68 is: 12,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.78 : 22,521.33 = 9,246.68 : x
  2. Step 2: Convert to fraction form
    16,319.78/22,521.33 = 9,246.68/x
  3. Step 3: Cross multiply
    16,319.78x = 22,521.33 × 9,246.68
  4. Step 4: Simplify right side
    16,319.78x = 208,247,564.87
  5. Step 5: Solve for x
    x = 208,247,564.87/16,319.78
  6. Step 6: Final answer
    x = 12,760.44

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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.