Home / 22,782.11-31,439.08-12,573.23

Finding the Fourth Proportional to 22,782.11, 31,439.08 and 12,573.23

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Solution

The fourth proportional to 22,782.11, 31,439.08 and 12,573.23 is: 17,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.11 : 31,439.08 = 12,573.23 : x
  2. Step 2: Convert to fraction form
    22,782.11/31,439.08 = 12,573.23/x
  3. Step 3: Cross multiply
    22,782.11x = 31,439.08 × 12,573.23
  4. Step 4: Simplify right side
    22,782.11x = 395,290,783.83
  5. Step 5: Solve for x
    x = 395,290,783.83/22,782.11
  6. Step 6: Final answer
    x = 17,350.93

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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.