Home / 19,098.31-28,640.62-6,614.98

Finding the Fourth Proportional to 19,098.31, 28,640.62 and 6,614.98

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Solution

The fourth proportional to 19,098.31, 28,640.62 and 6,614.98 is: 9,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.31 : 28,640.62 = 6,614.98 : x
  2. Step 2: Convert to fraction form
    19,098.31/28,640.62 = 6,614.98/x
  3. Step 3: Cross multiply
    19,098.31x = 28,640.62 × 6,614.98
  4. Step 4: Simplify right side
    19,098.31x = 189,457,128.49
  5. Step 5: Solve for x
    x = 189,457,128.49/19,098.31
  6. Step 6: Final answer
    x = 9,920.10

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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.