Home / 19,726.16-27,221.06-10,771.92

Finding the Fourth Proportional to 19,726.16, 27,221.06 and 10,771.92

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Solution

The fourth proportional to 19,726.16, 27,221.06 and 10,771.92 is: 14,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.16 : 27,221.06 = 10,771.92 : x
  2. Step 2: Convert to fraction form
    19,726.16/27,221.06 = 10,771.92/x
  3. Step 3: Cross multiply
    19,726.16x = 27,221.06 × 10,771.92
  4. Step 4: Simplify right side
    19,726.16x = 293,223,107.57
  5. Step 5: Solve for x
    x = 293,223,107.57/19,726.16
  6. Step 6: Final answer
    x = 14,864.69

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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.