Home / 18,723.40-28,093.27-9,948.04

Finding the Fourth Proportional to 18,723.40, 28,093.27 and 9,948.04

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Solution

The fourth proportional to 18,723.40, 28,093.27 and 9,948.04 is: 14,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.40 : 28,093.27 = 9,948.04 : x
  2. Step 2: Convert to fraction form
    18,723.40/28,093.27 = 9,948.04/x
  3. Step 3: Cross multiply
    18,723.40x = 28,093.27 × 9,948.04
  4. Step 4: Simplify right side
    18,723.40x = 279,472,948.82
  5. Step 5: Solve for x
    x = 279,472,948.82/18,723.40
  6. Step 6: Final answer
    x = 14,926.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.