Home / 19,733.06-27,231.28-10,780.34

Finding the Fourth Proportional to 19,733.06, 27,231.28 and 10,780.34

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Solution

The fourth proportional to 19,733.06, 27,231.28 and 10,780.34 is: 14,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.06 : 27,231.28 = 10,780.34 : x
  2. Step 2: Convert to fraction form
    19,733.06/27,231.28 = 10,780.34/x
  3. Step 3: Cross multiply
    19,733.06x = 27,231.28 × 10,780.34
  4. Step 4: Simplify right side
    19,733.06x = 293,562,320.88
  5. Step 5: Solve for x
    x = 293,562,320.88/19,733.06
  6. Step 6: Final answer
    x = 14,876.68

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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.