Home / 10,020.26-15,019.25-8,853.05

Finding the Fourth Proportional to 10,020.26, 15,019.25 and 8,853.05

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Solution

The fourth proportional to 10,020.26, 15,019.25 and 8,853.05 is: 13,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.26 : 15,019.25 = 8,853.05 : x
  2. Step 2: Convert to fraction form
    10,020.26/15,019.25 = 8,853.05/x
  3. Step 3: Cross multiply
    10,020.26x = 15,019.25 × 8,853.05
  4. Step 4: Simplify right side
    10,020.26x = 132,966,051.85
  5. Step 5: Solve for x
    x = 132,966,051.85/10,020.26
  6. Step 6: Final answer
    x = 13,269.73

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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.