Home / 13,044.94-17,988.75-11,162.75

Finding the Fourth Proportional to 13,044.94, 17,988.75 and 11,162.75

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Solution

The fourth proportional to 13,044.94, 17,988.75 and 11,162.75 is: 15,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.94 : 17,988.75 = 11,162.75 : x
  2. Step 2: Convert to fraction form
    13,044.94/17,988.75 = 11,162.75/x
  3. Step 3: Cross multiply
    13,044.94x = 17,988.75 × 11,162.75
  4. Step 4: Simplify right side
    13,044.94x = 200,803,919.06
  5. Step 5: Solve for x
    x = 200,803,919.06/13,044.94
  6. Step 6: Final answer
    x = 15,393.24

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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.