Home / 19,732.45-27,230.84-10,780.06

Finding the Fourth Proportional to 19,732.45, 27,230.84 and 10,780.06

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Solution

The fourth proportional to 19,732.45, 27,230.84 and 10,780.06 is: 14,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.45 : 27,230.84 = 10,780.06 : x
  2. Step 2: Convert to fraction form
    19,732.45/27,230.84 = 10,780.06/x
  3. Step 3: Cross multiply
    19,732.45x = 27,230.84 × 10,780.06
  4. Step 4: Simplify right side
    19,732.45x = 293,550,089.05
  5. Step 5: Solve for x
    x = 293,550,089.05/19,732.45
  6. Step 6: Final answer
    x = 14,876.52

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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.