Home / 23,002.78-34,336.30-19,736.86

Finding the Fourth Proportional to 23,002.78, 34,336.30 and 19,736.86

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Solution

The fourth proportional to 23,002.78, 34,336.30 and 19,736.86 is: 29,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002.78 : 34,336.30 = 19,736.86 : x
  2. Step 2: Convert to fraction form
    23,002.78/34,336.30 = 19,736.86/x
  3. Step 3: Cross multiply
    23,002.78x = 34,336.30 × 19,736.86
  4. Step 4: Simplify right side
    23,002.78x = 677,690,475.65
  5. Step 5: Solve for x
    x = 677,690,475.65/23,002.78
  6. Step 6: Final answer
    x = 29,461.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.