Home / 19,490.30-29,228.22-7,006.96

Finding the Fourth Proportional to 19,490.30, 29,228.22 and 7,006.96

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Solution

The fourth proportional to 19,490.30, 29,228.22 and 7,006.96 is: 10,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.30 : 29,228.22 = 7,006.96 : x
  2. Step 2: Convert to fraction form
    19,490.30/29,228.22 = 7,006.96/x
  3. Step 3: Cross multiply
    19,490.30x = 29,228.22 × 7,006.96
  4. Step 4: Simplify right side
    19,490.30x = 204,800,968.41
  5. Step 5: Solve for x
    x = 204,800,968.41/19,490.30
  6. Step 6: Final answer
    x = 10,507.84

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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.