Home / 19,215.60-26,517.46-10,717.72

Finding the Fourth Proportional to 19,215.60, 26,517.46 and 10,717.72

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Solution

The fourth proportional to 19,215.60, 26,517.46 and 10,717.72 is: 14,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.60 : 26,517.46 = 10,717.72 : x
  2. Step 2: Convert to fraction form
    19,215.60/26,517.46 = 10,717.72/x
  3. Step 3: Cross multiply
    19,215.60x = 26,517.46 × 10,717.72
  4. Step 4: Simplify right side
    19,215.60x = 284,206,711.39
  5. Step 5: Solve for x
    x = 284,206,711.39/19,215.60
  6. Step 6: Final answer
    x = 14,790.42

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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.