Home / 22,929.61-31,644.49-12,723.99

Finding the Fourth Proportional to 22,929.61, 31,644.49 and 12,723.99

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Solution

The fourth proportional to 22,929.61, 31,644.49 and 12,723.99 is: 17,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.61 : 31,644.49 = 12,723.99 : x
  2. Step 2: Convert to fraction form
    22,929.61/31,644.49 = 12,723.99/x
  3. Step 3: Cross multiply
    22,929.61x = 31,644.49 × 12,723.99
  4. Step 4: Simplify right side
    22,929.61x = 402,644,174.32
  5. Step 5: Solve for x
    x = 402,644,174.32/22,929.61
  6. Step 6: Final answer
    x = 17,560.01

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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.