Home / 19,885.04-27,441.55-10,932.61

Finding the Fourth Proportional to 19,885.04, 27,441.55 and 10,932.61

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Solution

The fourth proportional to 19,885.04, 27,441.55 and 10,932.61 is: 15,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.04 : 27,441.55 = 10,932.61 : x
  2. Step 2: Convert to fraction form
    19,885.04/27,441.55 = 10,932.61/x
  3. Step 3: Cross multiply
    19,885.04x = 27,441.55 × 10,932.61
  4. Step 4: Simplify right side
    19,885.04x = 300,007,698.96
  5. Step 5: Solve for x
    x = 300,007,698.96/19,885.04
  6. Step 6: Final answer
    x = 15,087.10

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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.