Home / 14,661.18-21,979.42-9,968.04

Finding the Fourth Proportional to 14,661.18, 21,979.42 and 9,968.04

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Solution

The fourth proportional to 14,661.18, 21,979.42 and 9,968.04 is: 14,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.18 : 21,979.42 = 9,968.04 : x
  2. Step 2: Convert to fraction form
    14,661.18/21,979.42 = 9,968.04/x
  3. Step 3: Cross multiply
    14,661.18x = 21,979.42 × 9,968.04
  4. Step 4: Simplify right side
    14,661.18x = 219,091,712.82
  5. Step 5: Solve for x
    x = 219,091,712.82/14,661.18
  6. Step 6: Final answer
    x = 14,943.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.