Home / 14,037.50-19,371.76-7,749.88

Finding the Fourth Proportional to 14,037.50, 19,371.76 and 7,749.88

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Solution

The fourth proportional to 14,037.50, 19,371.76 and 7,749.88 is: 10,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.50 : 19,371.76 = 7,749.88 : x
  2. Step 2: Convert to fraction form
    14,037.50/19,371.76 = 7,749.88/x
  3. Step 3: Cross multiply
    14,037.50x = 19,371.76 × 7,749.88
  4. Step 4: Simplify right side
    14,037.50x = 150,128,747.58
  5. Step 5: Solve for x
    x = 150,128,747.58/14,037.50
  6. Step 6: Final answer
    x = 10,694.83

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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.