Home / 33,427.18-46,129.32-18,320.26

Finding the Fourth Proportional to 33,427.18, 46,129.32 and 18,320.26

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Solution

The fourth proportional to 33,427.18, 46,129.32 and 18,320.26 is: 25,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.18 : 46,129.32 = 18,320.26 : x
  2. Step 2: Convert to fraction form
    33,427.18/46,129.32 = 18,320.26/x
  3. Step 3: Cross multiply
    33,427.18x = 46,129.32 × 18,320.26
  4. Step 4: Simplify right side
    33,427.18x = 845,101,136.02
  5. Step 5: Solve for x
    x = 845,101,136.02/33,427.18
  6. Step 6: Final answer
    x = 25,281.86

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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.