Home / 34,690.14-47,872.38-18,774.59

Finding the Fourth Proportional to 34,690.14, 47,872.38 and 18,774.59

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Solution

The fourth proportional to 34,690.14, 47,872.38 and 18,774.59 is: 25,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.14 : 47,872.38 = 18,774.59 : x
  2. Step 2: Convert to fraction form
    34,690.14/47,872.38 = 18,774.59/x
  3. Step 3: Cross multiply
    34,690.14x = 47,872.38 × 18,774.59
  4. Step 4: Simplify right side
    34,690.14x = 898,784,067.46
  5. Step 5: Solve for x
    x = 898,784,067.46/34,690.14
  6. Step 6: Final answer
    x = 25,908.92

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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.