Home / 19,964.62-27,542.46-12,002.28

Finding the Fourth Proportional to 19,964.62, 27,542.46 and 12,002.28

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Solution

The fourth proportional to 19,964.62, 27,542.46 and 12,002.28 is: 16,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.62 : 27,542.46 = 12,002.28 : x
  2. Step 2: Convert to fraction form
    19,964.62/27,542.46 = 12,002.28/x
  3. Step 3: Cross multiply
    19,964.62x = 27,542.46 × 12,002.28
  4. Step 4: Simplify right side
    19,964.62x = 330,572,316.81
  5. Step 5: Solve for x
    x = 330,572,316.81/19,964.62
  6. Step 6: Final answer
    x = 16,557.91

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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.