Home / 19,805.52-27,330.88-10,853.13

Finding the Fourth Proportional to 19,805.52, 27,330.88 and 10,853.13

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Solution

The fourth proportional to 19,805.52, 27,330.88 and 10,853.13 is: 14,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.52 : 27,330.88 = 10,853.13 : x
  2. Step 2: Convert to fraction form
    19,805.52/27,330.88 = 10,853.13/x
  3. Step 3: Cross multiply
    19,805.52x = 27,330.88 × 10,853.13
  4. Step 4: Simplify right side
    19,805.52x = 296,625,593.65
  5. Step 5: Solve for x
    x = 296,625,593.65/19,805.52
  6. Step 6: Final answer
    x = 14,976.92

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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.