Home / 14,664.16-21,979.70-7,273.92

Finding the Fourth Proportional to 14,664.16, 21,979.70 and 7,273.92

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Solution

The fourth proportional to 14,664.16, 21,979.70 and 7,273.92 is: 10,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.16 : 21,979.70 = 7,273.92 : x
  2. Step 2: Convert to fraction form
    14,664.16/21,979.70 = 7,273.92/x
  3. Step 3: Cross multiply
    14,664.16x = 21,979.70 × 7,273.92
  4. Step 4: Simplify right side
    14,664.16x = 159,878,579.42
  5. Step 5: Solve for x
    x = 159,878,579.42/14,664.16
  6. Step 6: Final answer
    x = 10,902.68

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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.