Home / 12,357.25-18,532.04-4,458.74

Finding the Fourth Proportional to 12,357.25, 18,532.04 and 4,458.74

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Solution

The fourth proportional to 12,357.25, 18,532.04 and 4,458.74 is: 6,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.25 : 18,532.04 = 4,458.74 : x
  2. Step 2: Convert to fraction form
    12,357.25/18,532.04 = 4,458.74/x
  3. Step 3: Cross multiply
    12,357.25x = 18,532.04 × 4,458.74
  4. Step 4: Simplify right side
    12,357.25x = 82,629,433.08
  5. Step 5: Solve for x
    x = 82,629,433.08/12,357.25
  6. Step 6: Final answer
    x = 6,686.72

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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.