Home / 22,743.87-31,384.31-12,671.93

Finding the Fourth Proportional to 22,743.87, 31,384.31 and 12,671.93

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Solution

The fourth proportional to 22,743.87, 31,384.31 and 12,671.93 is: 17,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.87 : 31,384.31 = 12,671.93 : x
  2. Step 2: Convert to fraction form
    22,743.87/31,384.31 = 12,671.93/x
  3. Step 3: Cross multiply
    22,743.87x = 31,384.31 × 12,671.93
  4. Step 4: Simplify right side
    22,743.87x = 397,699,559.14
  5. Step 5: Solve for x
    x = 397,699,559.14/22,743.87
  6. Step 6: Final answer
    x = 17,486.01

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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.