Home / 29,820.84-41,147.34-18,493.08

Finding the Fourth Proportional to 29,820.84, 41,147.34 and 18,493.08

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Solution

The fourth proportional to 29,820.84, 41,147.34 and 18,493.08 is: 25,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.84 : 41,147.34 = 18,493.08 : x
  2. Step 2: Convert to fraction form
    29,820.84/41,147.34 = 18,493.08/x
  3. Step 3: Cross multiply
    29,820.84x = 41,147.34 × 18,493.08
  4. Step 4: Simplify right side
    29,820.84x = 760,941,050.41
  5. Step 5: Solve for x
    x = 760,941,050.41/29,820.84
  6. Step 6: Final answer
    x = 25,517.09

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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.