Home / 22,107.39-30,499.17-13,606.95

Finding the Fourth Proportional to 22,107.39, 30,499.17 and 13,606.95

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Solution

The fourth proportional to 22,107.39, 30,499.17 and 13,606.95 is: 18,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.39 : 30,499.17 = 13,606.95 : x
  2. Step 2: Convert to fraction form
    22,107.39/30,499.17 = 13,606.95/x
  3. Step 3: Cross multiply
    22,107.39x = 30,499.17 × 13,606.95
  4. Step 4: Simplify right side
    22,107.39x = 415,000,681.23
  5. Step 5: Solve for x
    x = 415,000,681.23/22,107.39
  6. Step 6: Final answer
    x = 18,772.03

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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.