Home / 19,215.10-26,516.32-10,717.48

Finding the Fourth Proportional to 19,215.10, 26,516.32 and 10,717.48

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Solution

The fourth proportional to 19,215.10, 26,516.32 and 10,717.48 is: 14,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.10 : 26,516.32 = 10,717.48 : x
  2. Step 2: Convert to fraction form
    19,215.10/26,516.32 = 10,717.48/x
  3. Step 3: Cross multiply
    19,215.10x = 26,516.32 × 10,717.48
  4. Step 4: Simplify right side
    19,215.10x = 284,188,129.27
  5. Step 5: Solve for x
    x = 284,188,129.27/19,215.10
  6. Step 6: Final answer
    x = 14,789.83

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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.