Home / 13,301.26-18,357.77-10,109.36

Finding the Fourth Proportional to 13,301.26, 18,357.77 and 10,109.36

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Solution

The fourth proportional to 13,301.26, 18,357.77 and 10,109.36 is: 13,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.26 : 18,357.77 = 10,109.36 : x
  2. Step 2: Convert to fraction form
    13,301.26/18,357.77 = 10,109.36/x
  3. Step 3: Cross multiply
    13,301.26x = 18,357.77 × 10,109.36
  4. Step 4: Simplify right side
    13,301.26x = 185,585,376.90
  5. Step 5: Solve for x
    x = 185,585,376.90/13,301.26
  6. Step 6: Final answer
    x = 13,952.47

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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.