Home / 13,599.29-18,782.89-10,883.26

Finding the Fourth Proportional to 13,599.29, 18,782.89 and 10,883.26

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Solution

The fourth proportional to 13,599.29, 18,782.89 and 10,883.26 is: 15,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.29 : 18,782.89 = 10,883.26 : x
  2. Step 2: Convert to fraction form
    13,599.29/18,782.89 = 10,883.26/x
  3. Step 3: Cross multiply
    13,599.29x = 18,782.89 × 10,883.26
  4. Step 4: Simplify right side
    13,599.29x = 204,419,071.69
  5. Step 5: Solve for x
    x = 204,419,071.69/13,599.29
  6. Step 6: Final answer
    x = 15,031.60

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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.