Home / 13,299.09-19,948.55-4,065.09

Finding the Fourth Proportional to 13,299.09, 19,948.55 and 4,065.09

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Solution

The fourth proportional to 13,299.09, 19,948.55 and 4,065.09 is: 6,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.09 : 19,948.55 = 4,065.09 : x
  2. Step 2: Convert to fraction form
    13,299.09/19,948.55 = 4,065.09/x
  3. Step 3: Cross multiply
    13,299.09x = 19,948.55 × 4,065.09
  4. Step 4: Simplify right side
    13,299.09x = 81,092,630.79
  5. Step 5: Solve for x
    x = 81,092,630.79/13,299.09
  6. Step 6: Final answer
    x = 6,097.61

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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.