Home / 21,442.96-32,171.06-9,606.70

Finding the Fourth Proportional to 21,442.96, 32,171.06 and 9,606.70

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Solution

The fourth proportional to 21,442.96, 32,171.06 and 9,606.70 is: 14,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.96 : 32,171.06 = 9,606.70 : x
  2. Step 2: Convert to fraction form
    21,442.96/32,171.06 = 9,606.70/x
  3. Step 3: Cross multiply
    21,442.96x = 32,171.06 × 9,606.70
  4. Step 4: Simplify right side
    21,442.96x = 309,057,722.10
  5. Step 5: Solve for x
    x = 309,057,722.10/21,442.96
  6. Step 6: Final answer
    x = 14,413.02

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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.