Home / 19,732.74-27,231.66-10,780.32

Finding the Fourth Proportional to 19,732.74, 27,231.66 and 10,780.32

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Solution

The fourth proportional to 19,732.74, 27,231.66 and 10,780.32 is: 14,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.74 : 27,231.66 = 10,780.32 : x
  2. Step 2: Convert to fraction form
    19,732.74/27,231.66 = 10,780.32/x
  3. Step 3: Cross multiply
    19,732.74x = 27,231.66 × 10,780.32
  4. Step 4: Simplify right side
    19,732.74x = 293,566,008.93
  5. Step 5: Solve for x
    x = 293,566,008.93/19,732.74
  6. Step 6: Final answer
    x = 14,877.10

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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.