Home / 15,519.64-23,282.58-4,429.72

Finding the Fourth Proportional to 15,519.64, 23,282.58 and 4,429.72

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Solution

The fourth proportional to 15,519.64, 23,282.58 and 4,429.72 is: 6,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.64 : 23,282.58 = 4,429.72 : x
  2. Step 2: Convert to fraction form
    15,519.64/23,282.58 = 4,429.72/x
  3. Step 3: Cross multiply
    15,519.64x = 23,282.58 × 4,429.72
  4. Step 4: Simplify right side
    15,519.64x = 103,135,310.28
  5. Step 5: Solve for x
    x = 103,135,310.28/15,519.64
  6. Step 6: Final answer
    x = 6,645.47

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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.