Home / 22,276.71-30,730.19-13,776.12

Finding the Fourth Proportional to 22,276.71, 30,730.19 and 13,776.12

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Solution

The fourth proportional to 22,276.71, 30,730.19 and 13,776.12 is: 19,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.71 : 30,730.19 = 13,776.12 : x
  2. Step 2: Convert to fraction form
    22,276.71/30,730.19 = 13,776.12/x
  3. Step 3: Cross multiply
    22,276.71x = 30,730.19 × 13,776.12
  4. Step 4: Simplify right side
    22,276.71x = 423,342,716.18
  5. Step 5: Solve for x
    x = 423,342,716.18/22,276.71
  6. Step 6: Final answer
    x = 19,003.83

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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.