Home / 13,568.21-18,724.37-7,599.83

Finding the Fourth Proportional to 13,568.21, 18,724.37 and 7,599.83

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Solution

The fourth proportional to 13,568.21, 18,724.37 and 7,599.83 is: 10,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.21 : 18,724.37 = 7,599.83 : x
  2. Step 2: Convert to fraction form
    13,568.21/18,724.37 = 7,599.83/x
  3. Step 3: Cross multiply
    13,568.21x = 18,724.37 × 7,599.83
  4. Step 4: Simplify right side
    13,568.21x = 142,301,897.24
  5. Step 5: Solve for x
    x = 142,301,897.24/13,568.21
  6. Step 6: Final answer
    x = 10,487.89

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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.