Home / 13,158.28-19,708.53-9,467.65

Finding the Fourth Proportional to 13,158.28, 19,708.53 and 9,467.65

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Solution

The fourth proportional to 13,158.28, 19,708.53 and 9,467.65 is: 14,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.28 : 19,708.53 = 9,467.65 : x
  2. Step 2: Convert to fraction form
    13,158.28/19,708.53 = 9,467.65/x
  3. Step 3: Cross multiply
    13,158.28x = 19,708.53 × 9,467.65
  4. Step 4: Simplify right side
    13,158.28x = 186,593,464.05
  5. Step 5: Solve for x
    x = 186,593,464.05/13,158.28
  6. Step 6: Final answer
    x = 14,180.69

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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.