Home / 19,722.27-27,215.64-10,767.99

Finding the Fourth Proportional to 19,722.27, 27,215.64 and 10,767.99

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Solution

The fourth proportional to 19,722.27, 27,215.64 and 10,767.99 is: 14,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.27 : 27,215.64 = 10,767.99 : x
  2. Step 2: Convert to fraction form
    19,722.27/27,215.64 = 10,767.99/x
  3. Step 3: Cross multiply
    19,722.27x = 27,215.64 × 10,767.99
  4. Step 4: Simplify right side
    19,722.27x = 293,057,739.36
  5. Step 5: Solve for x
    x = 293,057,739.36/19,722.27
  6. Step 6: Final answer
    x = 14,859.23

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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.