Home / 13,568.71-18,724.60-7,600.36

Finding the Fourth Proportional to 13,568.71, 18,724.60 and 7,600.36

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Solution

The fourth proportional to 13,568.71, 18,724.60 and 7,600.36 is: 10,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.71 : 18,724.60 = 7,600.36 : x
  2. Step 2: Convert to fraction form
    13,568.71/18,724.60 = 7,600.36/x
  3. Step 3: Cross multiply
    13,568.71x = 18,724.60 × 7,600.36
  4. Step 4: Simplify right side
    13,568.71x = 142,313,700.86
  5. Step 5: Solve for x
    x = 142,313,700.86/13,568.71
  6. Step 6: Final answer
    x = 10,488.37

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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.