Home / 22,940.93-31,669.62-15,384.51

Finding the Fourth Proportional to 22,940.93, 31,669.62 and 15,384.51

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Solution

The fourth proportional to 22,940.93, 31,669.62 and 15,384.51 is: 21,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.93 : 31,669.62 = 15,384.51 : x
  2. Step 2: Convert to fraction form
    22,940.93/31,669.62 = 15,384.51/x
  3. Step 3: Cross multiply
    22,940.93x = 31,669.62 × 15,384.51
  4. Step 4: Simplify right side
    22,940.93x = 487,221,585.59
  5. Step 5: Solve for x
    x = 487,221,585.59/22,940.93
  6. Step 6: Final answer
    x = 21,238.10

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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.