Home / 19,723.15-29,558.80-9,337.87

Finding the Fourth Proportional to 19,723.15, 29,558.80 and 9,337.87

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Solution

The fourth proportional to 19,723.15, 29,558.80 and 9,337.87 is: 13,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.15 : 29,558.80 = 9,337.87 : x
  2. Step 2: Convert to fraction form
    19,723.15/29,558.80 = 9,337.87/x
  3. Step 3: Cross multiply
    19,723.15x = 29,558.80 × 9,337.87
  4. Step 4: Simplify right side
    19,723.15x = 276,016,231.76
  5. Step 5: Solve for x
    x = 276,016,231.76/19,723.15
  6. Step 6: Final answer
    x = 13,994.53

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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.