Home / 16,291.31-22,480.90-9,217.26

Finding the Fourth Proportional to 16,291.31, 22,480.90 and 9,217.26

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Solution

The fourth proportional to 16,291.31, 22,480.90 and 9,217.26 is: 12,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.31 : 22,480.90 = 9,217.26 : x
  2. Step 2: Convert to fraction form
    16,291.31/22,480.90 = 9,217.26/x
  3. Step 3: Cross multiply
    16,291.31x = 22,480.90 × 9,217.26
  4. Step 4: Simplify right side
    16,291.31x = 207,212,277.29
  5. Step 5: Solve for x
    x = 207,212,277.29/16,291.31
  6. Step 6: Final answer
    x = 12,719.19

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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.