Home / 13,216.48-19,722.59-11,743.92

Finding the Fourth Proportional to 13,216.48, 19,722.59 and 11,743.92

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Solution

The fourth proportional to 13,216.48, 19,722.59 and 11,743.92 is: 17,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.48 : 19,722.59 = 11,743.92 : x
  2. Step 2: Convert to fraction form
    13,216.48/19,722.59 = 11,743.92/x
  3. Step 3: Cross multiply
    13,216.48x = 19,722.59 × 11,743.92
  4. Step 4: Simplify right side
    13,216.48x = 231,620,519.15
  5. Step 5: Solve for x
    x = 231,620,519.15/13,216.48
  6. Step 6: Final answer
    x = 17,525.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.