Home / 15,838.88-23,755.73-5,313.56

Finding the Fourth Proportional to 15,838.88, 23,755.73 and 5,313.56

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Solution

The fourth proportional to 15,838.88, 23,755.73 and 5,313.56 is: 7,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838.88 : 23,755.73 = 5,313.56 : x
  2. Step 2: Convert to fraction form
    15,838.88/23,755.73 = 5,313.56/x
  3. Step 3: Cross multiply
    15,838.88x = 23,755.73 × 5,313.56
  4. Step 4: Simplify right side
    15,838.88x = 126,227,391.20
  5. Step 5: Solve for x
    x = 126,227,391.20/15,838.88
  6. Step 6: Final answer
    x = 7,969.47

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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.