Home / 19,731.18-29,596.76-8,045.30

Finding the Fourth Proportional to 19,731.18, 29,596.76 and 8,045.30

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Solution

The fourth proportional to 19,731.18, 29,596.76 and 8,045.30 is: 12,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.18 : 29,596.76 = 8,045.30 : x
  2. Step 2: Convert to fraction form
    19,731.18/29,596.76 = 8,045.30/x
  3. Step 3: Cross multiply
    19,731.18x = 29,596.76 × 8,045.30
  4. Step 4: Simplify right side
    19,731.18x = 238,114,813.23
  5. Step 5: Solve for x
    x = 238,114,813.23/19,731.18
  6. Step 6: Final answer
    x = 12,067.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.