Home / 19,722.15-27,215.54-10,767.92

Finding the Fourth Proportional to 19,722.15, 27,215.54 and 10,767.92

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Solution

The fourth proportional to 19,722.15, 27,215.54 and 10,767.92 is: 14,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.15 : 27,215.54 = 10,767.92 : x
  2. Step 2: Convert to fraction form
    19,722.15/27,215.54 = 10,767.92/x
  3. Step 3: Cross multiply
    19,722.15x = 27,215.54 × 10,767.92
  4. Step 4: Simplify right side
    19,722.15x = 293,054,757.48
  5. Step 5: Solve for x
    x = 293,054,757.48/19,722.15
  6. Step 6: Final answer
    x = 14,859.17

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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.