Home / 15,921.83-21,975.17-10,544.33

Finding the Fourth Proportional to 15,921.83, 21,975.17 and 10,544.33

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Solution

The fourth proportional to 15,921.83, 21,975.17 and 10,544.33 is: 14,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.83 : 21,975.17 = 10,544.33 : x
  2. Step 2: Convert to fraction form
    15,921.83/21,975.17 = 10,544.33/x
  3. Step 3: Cross multiply
    15,921.83x = 21,975.17 × 10,544.33
  4. Step 4: Simplify right side
    15,921.83x = 231,713,281.69
  5. Step 5: Solve for x
    x = 231,713,281.69/15,921.83
  6. Step 6: Final answer
    x = 14,553.19

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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.