Home / 22,927.29-31,639.99-13,366.91

Finding the Fourth Proportional to 22,927.29, 31,639.99 and 13,366.91

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Solution

The fourth proportional to 22,927.29, 31,639.99 and 13,366.91 is: 18,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.29 : 31,639.99 = 13,366.91 : x
  2. Step 2: Convert to fraction form
    22,927.29/31,639.99 = 13,366.91/x
  3. Step 3: Cross multiply
    22,927.29x = 31,639.99 × 13,366.91
  4. Step 4: Simplify right side
    22,927.29x = 422,928,829.10
  5. Step 5: Solve for x
    x = 422,928,829.10/22,927.29
  6. Step 6: Final answer
    x = 18,446.53

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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.