Home / 19,993.74-27,590.07-11,040.71

Finding the Fourth Proportional to 19,993.74, 27,590.07 and 11,040.71

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Solution

The fourth proportional to 19,993.74, 27,590.07 and 11,040.71 is: 15,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993.74 : 27,590.07 = 11,040.71 : x
  2. Step 2: Convert to fraction form
    19,993.74/27,590.07 = 11,040.71/x
  3. Step 3: Cross multiply
    19,993.74x = 27,590.07 × 11,040.71
  4. Step 4: Simplify right side
    19,993.74x = 304,613,803.10
  5. Step 5: Solve for x
    x = 304,613,803.10/19,993.74
  6. Step 6: Final answer
    x = 15,235.46

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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.