Home / 19,733.14-27,231.86-10,780.88

Finding the Fourth Proportional to 19,733.14, 27,231.86 and 10,780.88

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Solution

The fourth proportional to 19,733.14, 27,231.86 and 10,780.88 is: 14,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.14 : 27,231.86 = 10,780.88 : x
  2. Step 2: Convert to fraction form
    19,733.14/27,231.86 = 10,780.88/x
  3. Step 3: Cross multiply
    19,733.14x = 27,231.86 × 10,780.88
  4. Step 4: Simplify right side
    19,733.14x = 293,583,360.93
  5. Step 5: Solve for x
    x = 293,583,360.93/19,733.14
  6. Step 6: Final answer
    x = 14,877.68

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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.