Home / 19,960.98-27,549.42-12,007.60

Finding the Fourth Proportional to 19,960.98, 27,549.42 and 12,007.60

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Solution

The fourth proportional to 19,960.98, 27,549.42 and 12,007.60 is: 16,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.98 : 27,549.42 = 12,007.60 : x
  2. Step 2: Convert to fraction form
    19,960.98/27,549.42 = 12,007.60/x
  3. Step 3: Cross multiply
    19,960.98x = 27,549.42 × 12,007.60
  4. Step 4: Simplify right side
    19,960.98x = 330,802,415.59
  5. Step 5: Solve for x
    x = 330,802,415.59/19,960.98
  6. Step 6: Final answer
    x = 16,572.45

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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.