Home / 14,569.12-21,854.64-4,180.96

Finding the Fourth Proportional to 14,569.12, 21,854.64 and 4,180.96

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Solution

The fourth proportional to 14,569.12, 21,854.64 and 4,180.96 is: 6,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.12 : 21,854.64 = 4,180.96 : x
  2. Step 2: Convert to fraction form
    14,569.12/21,854.64 = 4,180.96/x
  3. Step 3: Cross multiply
    14,569.12x = 21,854.64 × 4,180.96
  4. Step 4: Simplify right side
    14,569.12x = 91,373,375.65
  5. Step 5: Solve for x
    x = 91,373,375.65/14,569.12
  6. Step 6: Final answer
    x = 6,271.72

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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.