Home / 19,482.64-29,236.91-7,170.64

Finding the Fourth Proportional to 19,482.64, 29,236.91 and 7,170.64

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Solution

The fourth proportional to 19,482.64, 29,236.91 and 7,170.64 is: 10,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.64 : 29,236.91 = 7,170.64 : x
  2. Step 2: Convert to fraction form
    19,482.64/29,236.91 = 7,170.64/x
  3. Step 3: Cross multiply
    19,482.64x = 29,236.91 × 7,170.64
  4. Step 4: Simplify right side
    19,482.64x = 209,647,320.47
  5. Step 5: Solve for x
    x = 209,647,320.47/19,482.64
  6. Step 6: Final answer
    x = 10,760.72

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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.