Home / 22,954.32-31,669.28-13,392

Finding the Fourth Proportional to 22,954.32, 31,669.28 and 13,392

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Solution

The fourth proportional to 22,954.32, 31,669.28 and 13,392 is: 18,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.32 : 31,669.28 = 13,392 : x
  2. Step 2: Convert to fraction form
    22,954.32/31,669.28 = 13,392/x
  3. Step 3: Cross multiply
    22,954.32x = 31,669.28 × 13,392
  4. Step 4: Simplify right side
    22,954.32x = 424,114,997.76
  5. Step 5: Solve for x
    x = 424,114,997.76/22,954.32
  6. Step 6: Final answer
    x = 18,476.48

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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.