Home / 22,989.22-31,728.55-14,041.87

Finding the Fourth Proportional to 22,989.22, 31,728.55 and 14,041.87

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Solution

The fourth proportional to 22,989.22, 31,728.55 and 14,041.87 is: 19,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.22 : 31,728.55 = 14,041.87 : x
  2. Step 2: Convert to fraction form
    22,989.22/31,728.55 = 14,041.87/x
  3. Step 3: Cross multiply
    22,989.22x = 31,728.55 × 14,041.87
  4. Step 4: Simplify right side
    22,989.22x = 445,528,015.75
  5. Step 5: Solve for x
    x = 445,528,015.75/22,989.22
  6. Step 6: Final answer
    x = 19,379.87

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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.