Home / 16,912.51-23,345.81-15,141.04

Finding the Fourth Proportional to 16,912.51, 23,345.81 and 15,141.04

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Solution

The fourth proportional to 16,912.51, 23,345.81 and 15,141.04 is: 20,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.51 : 23,345.81 = 15,141.04 : x
  2. Step 2: Convert to fraction form
    16,912.51/23,345.81 = 15,141.04/x
  3. Step 3: Cross multiply
    16,912.51x = 23,345.81 × 15,141.04
  4. Step 4: Simplify right side
    16,912.51x = 353,479,843.04
  5. Step 5: Solve for x
    x = 353,479,843.04/16,912.51
  6. Step 6: Final answer
    x = 20,900.50

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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.