Home / 15,583.98-23,382.81-8,186.76

Finding the Fourth Proportional to 15,583.98, 23,382.81 and 8,186.76

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Solution

The fourth proportional to 15,583.98, 23,382.81 and 8,186.76 is: 12,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.98 : 23,382.81 = 8,186.76 : x
  2. Step 2: Convert to fraction form
    15,583.98/23,382.81 = 8,186.76/x
  3. Step 3: Cross multiply
    15,583.98x = 23,382.81 × 8,186.76
  4. Step 4: Simplify right side
    15,583.98x = 191,429,453.60
  5. Step 5: Solve for x
    x = 191,429,453.60/15,583.98
  6. Step 6: Final answer
    x = 12,283.73

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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.