Home / 18,107.12-24,991.32-10,152.92

Finding the Fourth Proportional to 18,107.12, 24,991.32 and 10,152.92

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Solution

The fourth proportional to 18,107.12, 24,991.32 and 10,152.92 is: 14,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.12 : 24,991.32 = 10,152.92 : x
  2. Step 2: Convert to fraction form
    18,107.12/24,991.32 = 10,152.92/x
  3. Step 3: Cross multiply
    18,107.12x = 24,991.32 × 10,152.92
  4. Step 4: Simplify right side
    18,107.12x = 253,734,872.65
  5. Step 5: Solve for x
    x = 253,734,872.65/18,107.12
  6. Step 6: Final answer
    x = 14,012.99

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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.