Home / 15,921.29-23,872.67-11,707.07

Finding the Fourth Proportional to 15,921.29, 23,872.67 and 11,707.07

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Solution

The fourth proportional to 15,921.29, 23,872.67 and 11,707.07 is: 17,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.29 : 23,872.67 = 11,707.07 : x
  2. Step 2: Convert to fraction form
    15,921.29/23,872.67 = 11,707.07/x
  3. Step 3: Cross multiply
    15,921.29x = 23,872.67 × 11,707.07
  4. Step 4: Simplify right side
    15,921.29x = 279,478,950.63
  5. Step 5: Solve for x
    x = 279,478,950.63/15,921.29
  6. Step 6: Final answer
    x = 17,553.79

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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.