Home / 19,519.39-26,934.30-11,020.47

Finding the Fourth Proportional to 19,519.39, 26,934.30 and 11,020.47

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Solution

The fourth proportional to 19,519.39, 26,934.30 and 11,020.47 is: 15,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.39 : 26,934.30 = 11,020.47 : x
  2. Step 2: Convert to fraction form
    19,519.39/26,934.30 = 11,020.47/x
  3. Step 3: Cross multiply
    19,519.39x = 26,934.30 × 11,020.47
  4. Step 4: Simplify right side
    19,519.39x = 296,828,544.12
  5. Step 5: Solve for x
    x = 296,828,544.12/19,519.39
  6. Step 6: Final answer
    x = 15,206.85

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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.