Home / 14,590.80-21,886.50-5,231.42

Finding the Fourth Proportional to 14,590.80, 21,886.50 and 5,231.42

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Solution

The fourth proportional to 14,590.80, 21,886.50 and 5,231.42 is: 7,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.80 : 21,886.50 = 5,231.42 : x
  2. Step 2: Convert to fraction form
    14,590.80/21,886.50 = 5,231.42/x
  3. Step 3: Cross multiply
    14,590.80x = 21,886.50 × 5,231.42
  4. Step 4: Simplify right side
    14,590.80x = 114,497,473.83
  5. Step 5: Solve for x
    x = 114,497,473.83/14,590.80
  6. Step 6: Final answer
    x = 7,847.24

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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.