Home / 19,733.22-27,232.20-10,781.10

Finding the Fourth Proportional to 19,733.22, 27,232.20 and 10,781.10

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Solution

The fourth proportional to 19,733.22, 27,232.20 and 10,781.10 is: 14,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.22 : 27,232.20 = 10,781.10 : x
  2. Step 2: Convert to fraction form
    19,733.22/27,232.20 = 10,781.10/x
  3. Step 3: Cross multiply
    19,733.22x = 27,232.20 × 10,781.10
  4. Step 4: Simplify right side
    19,733.22x = 293,593,071.42
  5. Step 5: Solve for x
    x = 293,593,071.42/19,733.22
  6. Step 6: Final answer
    x = 14,878.11

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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.