Home / 13,453.28-18,563.76-7,483.76

Finding the Fourth Proportional to 13,453.28, 18,563.76 and 7,483.76

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Solution

The fourth proportional to 13,453.28, 18,563.76 and 7,483.76 is: 10,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.28 : 18,563.76 = 7,483.76 : x
  2. Step 2: Convert to fraction form
    13,453.28/18,563.76 = 7,483.76/x
  3. Step 3: Cross multiply
    13,453.28x = 18,563.76 × 7,483.76
  4. Step 4: Simplify right side
    13,453.28x = 138,926,724.54
  5. Step 5: Solve for x
    x = 138,926,724.54/13,453.28
  6. Step 6: Final answer
    x = 10,326.61

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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.