Home / 14,689.75-22,035.78-4,159.60

Finding the Fourth Proportional to 14,689.75, 22,035.78 and 4,159.60

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Solution

The fourth proportional to 14,689.75, 22,035.78 and 4,159.60 is: 6,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.75 : 22,035.78 = 4,159.60 : x
  2. Step 2: Convert to fraction form
    14,689.75/22,035.78 = 4,159.60/x
  3. Step 3: Cross multiply
    14,689.75x = 22,035.78 × 4,159.60
  4. Step 4: Simplify right side
    14,689.75x = 91,660,030.49
  5. Step 5: Solve for x
    x = 91,660,030.49/14,689.75
  6. Step 6: Final answer
    x = 6,239.73

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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.