Home / 13,037.28-17,961.06-10,665.60

Finding the Fourth Proportional to 13,037.28, 17,961.06 and 10,665.60

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Solution

The fourth proportional to 13,037.28, 17,961.06 and 10,665.60 is: 14,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.28 : 17,961.06 = 10,665.60 : x
  2. Step 2: Convert to fraction form
    13,037.28/17,961.06 = 10,665.60/x
  3. Step 3: Cross multiply
    13,037.28x = 17,961.06 × 10,665.60
  4. Step 4: Simplify right side
    13,037.28x = 191,565,481.54
  5. Step 5: Solve for x
    x = 191,565,481.54/13,037.28
  6. Step 6: Final answer
    x = 14,693.67

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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.