Home / 33,427.80-46,129.62-18,320.13

Finding the Fourth Proportional to 33,427.80, 46,129.62 and 18,320.13

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Solution

The fourth proportional to 33,427.80, 46,129.62 and 18,320.13 is: 25,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.80 : 46,129.62 = 18,320.13 : x
  2. Step 2: Convert to fraction form
    33,427.80/46,129.62 = 18,320.13/x
  3. Step 3: Cross multiply
    33,427.80x = 46,129.62 × 18,320.13
  4. Step 4: Simplify right side
    33,427.80x = 845,100,635.25
  5. Step 5: Solve for x
    x = 845,100,635.25/33,427.80
  6. Step 6: Final answer
    x = 25,281.37

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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.