Home / 47,325.96-70,990.74-12,265.72

Finding the Fourth Proportional to 47,325.96, 70,990.74 and 12,265.72

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Solution

The fourth proportional to 47,325.96, 70,990.74 and 12,265.72 is: 18,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,325.96 : 70,990.74 = 12,265.72 : x
  2. Step 2: Convert to fraction form
    47,325.96/70,990.74 = 12,265.72/x
  3. Step 3: Cross multiply
    47,325.96x = 70,990.74 × 12,265.72
  4. Step 4: Simplify right side
    47,325.96x = 870,752,539.43
  5. Step 5: Solve for x
    x = 870,752,539.43/47,325.96
  6. Step 6: Final answer
    x = 18,399.05

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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.