Home / 19,923.38-27,494.47-10,971.72

Finding the Fourth Proportional to 19,923.38, 27,494.47 and 10,971.72

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Solution

The fourth proportional to 19,923.38, 27,494.47 and 10,971.72 is: 15,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.38 : 27,494.47 = 10,971.72 : x
  2. Step 2: Convert to fraction form
    19,923.38/27,494.47 = 10,971.72/x
  3. Step 3: Cross multiply
    19,923.38x = 27,494.47 × 10,971.72
  4. Step 4: Simplify right side
    19,923.38x = 301,661,434.06
  5. Step 5: Solve for x
    x = 301,661,434.06/19,923.38
  6. Step 6: Final answer
    x = 15,141.08

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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.