Home / 23,318.87-32,180.72-12,709.19

Finding the Fourth Proportional to 23,318.87, 32,180.72 and 12,709.19

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Solution

The fourth proportional to 23,318.87, 32,180.72 and 12,709.19 is: 17,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.87 : 32,180.72 = 12,709.19 : x
  2. Step 2: Convert to fraction form
    23,318.87/32,180.72 = 12,709.19/x
  3. Step 3: Cross multiply
    23,318.87x = 32,180.72 × 12,709.19
  4. Step 4: Simplify right side
    23,318.87x = 408,990,660.37
  5. Step 5: Solve for x
    x = 408,990,660.37/23,318.87
  6. Step 6: Final answer
    x = 17,539.05

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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.