Home / 22,417.11-30,935.25-13,348.80

Finding the Fourth Proportional to 22,417.11, 30,935.25 and 13,348.80

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Solution

The fourth proportional to 22,417.11, 30,935.25 and 13,348.80 is: 18,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.11 : 30,935.25 = 13,348.80 : x
  2. Step 2: Convert to fraction form
    22,417.11/30,935.25 = 13,348.80/x
  3. Step 3: Cross multiply
    22,417.11x = 30,935.25 × 13,348.80
  4. Step 4: Simplify right side
    22,417.11x = 412,948,465.20
  5. Step 5: Solve for x
    x = 412,948,465.20/22,417.11
  6. Step 6: Final answer
    x = 18,421.13

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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.