Home / 37,431.75-56,135.52-12,465.12

Finding the Fourth Proportional to 37,431.75, 56,135.52 and 12,465.12

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Solution

The fourth proportional to 37,431.75, 56,135.52 and 12,465.12 is: 18,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.75 : 56,135.52 = 12,465.12 : x
  2. Step 2: Convert to fraction form
    37,431.75/56,135.52 = 12,465.12/x
  3. Step 3: Cross multiply
    37,431.75x = 56,135.52 × 12,465.12
  4. Step 4: Simplify right side
    37,431.75x = 699,735,993.06
  5. Step 5: Solve for x
    x = 699,735,993.06/37,431.75
  6. Step 6: Final answer
    x = 18,693.65

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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.