Home / 13,238.84-19,851.28-5,839.80

Finding the Fourth Proportional to 13,238.84, 19,851.28 and 5,839.80

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Solution

The fourth proportional to 13,238.84, 19,851.28 and 5,839.80 is: 8,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.84 : 19,851.28 = 5,839.80 : x
  2. Step 2: Convert to fraction form
    13,238.84/19,851.28 = 5,839.80/x
  3. Step 3: Cross multiply
    13,238.84x = 19,851.28 × 5,839.80
  4. Step 4: Simplify right side
    13,238.84x = 115,927,415.90
  5. Step 5: Solve for x
    x = 115,927,415.90/13,238.84
  6. Step 6: Final answer
    x = 8,756.61

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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.