Home / 19,733.52-27,231.80-10,781.04

Finding the Fourth Proportional to 19,733.52, 27,231.80 and 10,781.04

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Solution

The fourth proportional to 19,733.52, 27,231.80 and 10,781.04 is: 14,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.52 : 27,231.80 = 10,781.04 : x
  2. Step 2: Convert to fraction form
    19,733.52/27,231.80 = 10,781.04/x
  3. Step 3: Cross multiply
    19,733.52x = 27,231.80 × 10,781.04
  4. Step 4: Simplify right side
    19,733.52x = 293,587,071.17
  5. Step 5: Solve for x
    x = 293,587,071.17/19,733.52
  6. Step 6: Final answer
    x = 14,877.58

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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.