Home / 13,183.13-19,752.80-9,279.33

Finding the Fourth Proportional to 13,183.13, 19,752.80 and 9,279.33

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Solution

The fourth proportional to 13,183.13, 19,752.80 and 9,279.33 is: 13,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.13 : 19,752.80 = 9,279.33 : x
  2. Step 2: Convert to fraction form
    13,183.13/19,752.80 = 9,279.33/x
  3. Step 3: Cross multiply
    13,183.13x = 19,752.80 × 9,279.33
  4. Step 4: Simplify right side
    13,183.13x = 183,292,703.23
  5. Step 5: Solve for x
    x = 183,292,703.23/13,183.13
  6. Step 6: Final answer
    x = 13,903.59

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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.