Home / 15,786.06-23,666.51-9,114.99

Finding the Fourth Proportional to 15,786.06, 23,666.51 and 9,114.99

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Solution

The fourth proportional to 15,786.06, 23,666.51 and 9,114.99 is: 13,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.06 : 23,666.51 = 9,114.99 : x
  2. Step 2: Convert to fraction form
    15,786.06/23,666.51 = 9,114.99/x
  3. Step 3: Cross multiply
    15,786.06x = 23,666.51 × 9,114.99
  4. Step 4: Simplify right side
    15,786.06x = 215,720,065.75
  5. Step 5: Solve for x
    x = 215,720,065.75/15,786.06
  6. Step 6: Final answer
    x = 13,665.23

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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.