Home / 29,888.55-41,218.74-19,675.26

Finding the Fourth Proportional to 29,888.55, 41,218.74 and 19,675.26

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Solution

The fourth proportional to 29,888.55, 41,218.74 and 19,675.26 is: 27,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,888.55 : 41,218.74 = 19,675.26 : x
  2. Step 2: Convert to fraction form
    29,888.55/41,218.74 = 19,675.26/x
  3. Step 3: Cross multiply
    29,888.55x = 41,218.74 × 19,675.26
  4. Step 4: Simplify right side
    29,888.55x = 810,989,426.37
  5. Step 5: Solve for x
    x = 810,989,426.37/29,888.55
  6. Step 6: Final answer
    x = 27,133.78

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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.