Home / 19,217.98-26,519.67-11,151.01

Finding the Fourth Proportional to 19,217.98, 26,519.67 and 11,151.01

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Solution

The fourth proportional to 19,217.98, 26,519.67 and 11,151.01 is: 15,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.98 : 26,519.67 = 11,151.01 : x
  2. Step 2: Convert to fraction form
    19,217.98/26,519.67 = 11,151.01/x
  3. Step 3: Cross multiply
    19,217.98x = 26,519.67 × 11,151.01
  4. Step 4: Simplify right side
    19,217.98x = 295,721,105.37
  5. Step 5: Solve for x
    x = 295,721,105.37/19,217.98
  6. Step 6: Final answer
    x = 15,387.73

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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.