Home / 19,070.38-26,318.79-11,112.43

Finding the Fourth Proportional to 19,070.38, 26,318.79 and 11,112.43

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Solution

The fourth proportional to 19,070.38, 26,318.79 and 11,112.43 is: 15,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.38 : 26,318.79 = 11,112.43 : x
  2. Step 2: Convert to fraction form
    19,070.38/26,318.79 = 11,112.43/x
  3. Step 3: Cross multiply
    19,070.38x = 26,318.79 × 11,112.43
  4. Step 4: Simplify right side
    19,070.38x = 292,465,711.56
  5. Step 5: Solve for x
    x = 292,465,711.56/19,070.38
  6. Step 6: Final answer
    x = 15,336.12

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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.