Home / 17,718.50-26,448.14-15,616.68

Finding the Fourth Proportional to 17,718.50, 26,448.14 and 15,616.68

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Solution

The fourth proportional to 17,718.50, 26,448.14 and 15,616.68 is: 23,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.50 : 26,448.14 = 15,616.68 : x
  2. Step 2: Convert to fraction form
    17,718.50/26,448.14 = 15,616.68/x
  3. Step 3: Cross multiply
    17,718.50x = 26,448.14 × 15,616.68
  4. Step 4: Simplify right side
    17,718.50x = 413,032,138.98
  5. Step 5: Solve for x
    x = 413,032,138.98/17,718.50
  6. Step 6: Final answer
    x = 23,310.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.