Home / 22,340.52-30,830.85-13,386.33

Finding the Fourth Proportional to 22,340.52, 30,830.85 and 13,386.33

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Solution

The fourth proportional to 22,340.52, 30,830.85 and 13,386.33 is: 18,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.52 : 30,830.85 = 13,386.33 : x
  2. Step 2: Convert to fraction form
    22,340.52/30,830.85 = 13,386.33/x
  3. Step 3: Cross multiply
    22,340.52x = 30,830.85 × 13,386.33
  4. Step 4: Simplify right side
    22,340.52x = 412,711,932.28
  5. Step 5: Solve for x
    x = 412,711,932.28/22,340.52
  6. Step 6: Final answer
    x = 18,473.69

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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.