Home / 33,214.95-45,836.90-18,107.69

Finding the Fourth Proportional to 33,214.95, 45,836.90 and 18,107.69

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Solution

The fourth proportional to 33,214.95, 45,836.90 and 18,107.69 is: 24,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,214.95 : 45,836.90 = 18,107.69 : x
  2. Step 2: Convert to fraction form
    33,214.95/45,836.90 = 18,107.69/x
  3. Step 3: Cross multiply
    33,214.95x = 45,836.90 × 18,107.69
  4. Step 4: Simplify right side
    33,214.95x = 830,000,375.76
  5. Step 5: Solve for x
    x = 830,000,375.76/33,214.95
  6. Step 6: Final answer
    x = 24,988.76

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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.