Home / 13,583.50-18,739.29-9,608.02

Finding the Fourth Proportional to 13,583.50, 18,739.29 and 9,608.02

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Solution

The fourth proportional to 13,583.50, 18,739.29 and 9,608.02 is: 13,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.50 : 18,739.29 = 9,608.02 : x
  2. Step 2: Convert to fraction form
    13,583.50/18,739.29 = 9,608.02/x
  3. Step 3: Cross multiply
    13,583.50x = 18,739.29 × 9,608.02
  4. Step 4: Simplify right side
    13,583.50x = 180,047,473.11
  5. Step 5: Solve for x
    x = 180,047,473.11/13,583.50
  6. Step 6: Final answer
    x = 13,254.87

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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.