Home / 14,230.98-19,640.61-7,944.66

Finding the Fourth Proportional to 14,230.98, 19,640.61 and 7,944.66

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Solution

The fourth proportional to 14,230.98, 19,640.61 and 7,944.66 is: 10,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.98 : 19,640.61 = 7,944.66 : x
  2. Step 2: Convert to fraction form
    14,230.98/19,640.61 = 7,944.66/x
  3. Step 3: Cross multiply
    14,230.98x = 19,640.61 × 7,944.66
  4. Step 4: Simplify right side
    14,230.98x = 156,037,968.64
  5. Step 5: Solve for x
    x = 156,037,968.64/14,230.98
  6. Step 6: Final answer
    x = 10,964.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.