Home / 22,787.93-31,456.93-13,838.31

Finding the Fourth Proportional to 22,787.93, 31,456.93 and 13,838.31

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Solution

The fourth proportional to 22,787.93, 31,456.93 and 13,838.31 is: 19,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787.93 : 31,456.93 = 13,838.31 : x
  2. Step 2: Convert to fraction form
    22,787.93/31,456.93 = 13,838.31/x
  3. Step 3: Cross multiply
    22,787.93x = 31,456.93 × 13,838.31
  4. Step 4: Simplify right side
    22,787.93x = 435,310,714.39
  5. Step 5: Solve for x
    x = 435,310,714.39/22,787.93
  6. Step 6: Final answer
    x = 19,102.69

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1.5x scale

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.