Home / 27,838.04-38,364.97-19,772.04

Finding the Fourth Proportional to 27,838.04, 38,364.97 and 19,772.04

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Solution

The fourth proportional to 27,838.04, 38,364.97 and 19,772.04 is: 27,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838.04 : 38,364.97 = 19,772.04 : x
  2. Step 2: Convert to fraction form
    27,838.04/38,364.97 = 19,772.04/x
  3. Step 3: Cross multiply
    27,838.04x = 38,364.97 × 19,772.04
  4. Step 4: Simplify right side
    27,838.04x = 758,553,721.44
  5. Step 5: Solve for x
    x = 758,553,721.44/27,838.04
  6. Step 6: Final answer
    x = 27,248.82

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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.