Home / 19,696.06-29,555.88-7,847.74

Finding the Fourth Proportional to 19,696.06, 29,555.88 and 7,847.74

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Solution

The fourth proportional to 19,696.06, 29,555.88 and 7,847.74 is: 11,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.06 : 29,555.88 = 7,847.74 : x
  2. Step 2: Convert to fraction form
    19,696.06/29,555.88 = 7,847.74/x
  3. Step 3: Cross multiply
    19,696.06x = 29,555.88 × 7,847.74
  4. Step 4: Simplify right side
    19,696.06x = 231,946,861.71
  5. Step 5: Solve for x
    x = 231,946,861.71/19,696.06
  6. Step 6: Final answer
    x = 11,776.31

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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.