Home / 19,217.67-26,519.18-10,721.04

Finding the Fourth Proportional to 19,217.67, 26,519.18 and 10,721.04

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Solution

The fourth proportional to 19,217.67, 26,519.18 and 10,721.04 is: 14,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.67 : 26,519.18 = 10,721.04 : x
  2. Step 2: Convert to fraction form
    19,217.67/26,519.18 = 10,721.04/x
  3. Step 3: Cross multiply
    19,217.67x = 26,519.18 × 10,721.04
  4. Step 4: Simplify right side
    19,217.67x = 284,313,135.94
  5. Step 5: Solve for x
    x = 284,313,135.94/19,217.67
  6. Step 6: Final answer
    x = 14,794.36

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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.