Home / 19,733.76-27,232.72-10,781.12

Finding the Fourth Proportional to 19,733.76, 27,232.72 and 10,781.12

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Solution

The fourth proportional to 19,733.76, 27,232.72 and 10,781.12 is: 14,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.76 : 27,232.72 = 10,781.12 : x
  2. Step 2: Convert to fraction form
    19,733.76/27,232.72 = 10,781.12/x
  3. Step 3: Cross multiply
    19,733.76x = 27,232.72 × 10,781.12
  4. Step 4: Simplify right side
    19,733.76x = 293,599,222.25
  5. Step 5: Solve for x
    x = 293,599,222.25/19,733.76
  6. Step 6: Final answer
    x = 14,878.02

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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.