Home / 19,727.89-27,225.14-10,776.22

Finding the Fourth Proportional to 19,727.89, 27,225.14 and 10,776.22

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Solution

The fourth proportional to 19,727.89, 27,225.14 and 10,776.22 is: 14,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.89 : 27,225.14 = 10,776.22 : x
  2. Step 2: Convert to fraction form
    19,727.89/27,225.14 = 10,776.22/x
  3. Step 3: Cross multiply
    19,727.89x = 27,225.14 × 10,776.22
  4. Step 4: Simplify right side
    19,727.89x = 293,384,159.68
  5. Step 5: Solve for x
    x = 293,384,159.68/19,727.89
  6. Step 6: Final answer
    x = 14,871.54

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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.