Home / 19,859.72-27,397.68-12,304.04

Finding the Fourth Proportional to 19,859.72, 27,397.68 and 12,304.04

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Solution

The fourth proportional to 19,859.72, 27,397.68 and 12,304.04 is: 16,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.72 : 27,397.68 = 12,304.04 : x
  2. Step 2: Convert to fraction form
    19,859.72/27,397.68 = 12,304.04/x
  3. Step 3: Cross multiply
    19,859.72x = 27,397.68 × 12,304.04
  4. Step 4: Simplify right side
    19,859.72x = 337,102,150.63
  5. Step 5: Solve for x
    x = 337,102,150.63/19,859.72
  6. Step 6: Final answer
    x = 16,974.16

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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.