Home / 19,727.25-27,223.47-10,774.76

Finding the Fourth Proportional to 19,727.25, 27,223.47 and 10,774.76

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Solution

The fourth proportional to 19,727.25, 27,223.47 and 10,774.76 is: 14,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.25 : 27,223.47 = 10,774.76 : x
  2. Step 2: Convert to fraction form
    19,727.25/27,223.47 = 10,774.76/x
  3. Step 3: Cross multiply
    19,727.25x = 27,223.47 × 10,774.76
  4. Step 4: Simplify right side
    19,727.25x = 293,326,287.56
  5. Step 5: Solve for x
    x = 293,326,287.56/19,727.25
  6. Step 6: Final answer
    x = 14,869.09

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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.