Home / 19,786.94-29,677.23-7,312.85

Finding the Fourth Proportional to 19,786.94, 29,677.23 and 7,312.85

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Solution

The fourth proportional to 19,786.94, 29,677.23 and 7,312.85 is: 10,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.94 : 29,677.23 = 7,312.85 : x
  2. Step 2: Convert to fraction form
    19,786.94/29,677.23 = 7,312.85/x
  3. Step 3: Cross multiply
    19,786.94x = 29,677.23 × 7,312.85
  4. Step 4: Simplify right side
    19,786.94x = 217,024,983.02
  5. Step 5: Solve for x
    x = 217,024,983.02/19,786.94
  6. Step 6: Final answer
    x = 10,968.10

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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.