Home / 20,861.77-31,295.79-6,068.74

Finding the Fourth Proportional to 20,861.77, 31,295.79 and 6,068.74

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Solution

The fourth proportional to 20,861.77, 31,295.79 and 6,068.74 is: 9,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861.77 : 31,295.79 = 6,068.74 : x
  2. Step 2: Convert to fraction form
    20,861.77/31,295.79 = 6,068.74/x
  3. Step 3: Cross multiply
    20,861.77x = 31,295.79 × 6,068.74
  4. Step 4: Simplify right side
    20,861.77x = 189,926,012.60
  5. Step 5: Solve for x
    x = 189,926,012.60/20,861.77
  6. Step 6: Final answer
    x = 9,104.02

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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.