Home / 14,511.72-20,020.41-9,474.33

Finding the Fourth Proportional to 14,511.72, 20,020.41 and 9,474.33

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Solution

The fourth proportional to 14,511.72, 20,020.41 and 9,474.33 is: 13,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.72 : 20,020.41 = 9,474.33 : x
  2. Step 2: Convert to fraction form
    14,511.72/20,020.41 = 9,474.33/x
  3. Step 3: Cross multiply
    14,511.72x = 20,020.41 × 9,474.33
  4. Step 4: Simplify right side
    14,511.72x = 189,679,971.08
  5. Step 5: Solve for x
    x = 189,679,971.08/14,511.72
  6. Step 6: Final answer
    x = 13,070.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.