Home / 13,859.59-19,126.24-7,571.97

Finding the Fourth Proportional to 13,859.59, 19,126.24 and 7,571.97

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Solution

The fourth proportional to 13,859.59, 19,126.24 and 7,571.97 is: 10,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.59 : 19,126.24 = 7,571.97 : x
  2. Step 2: Convert to fraction form
    13,859.59/19,126.24 = 7,571.97/x
  3. Step 3: Cross multiply
    13,859.59x = 19,126.24 × 7,571.97
  4. Step 4: Simplify right side
    13,859.59x = 144,823,315.49
  5. Step 5: Solve for x
    x = 144,823,315.49/13,859.59
  6. Step 6: Final answer
    x = 10,449.32

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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.