Home / 16,326.48-22,540.13-12,542.21

Finding the Fourth Proportional to 16,326.48, 22,540.13 and 12,542.21

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Solution

The fourth proportional to 16,326.48, 22,540.13 and 12,542.21 is: 17,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.48 : 22,540.13 = 12,542.21 : x
  2. Step 2: Convert to fraction form
    16,326.48/22,540.13 = 12,542.21/x
  3. Step 3: Cross multiply
    16,326.48x = 22,540.13 × 12,542.21
  4. Step 4: Simplify right side
    16,326.48x = 282,702,868.48
  5. Step 5: Solve for x
    x = 282,702,868.48/16,326.48
  6. Step 6: Final answer
    x = 17,315.60

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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.