Home / 20,507.48-30,761.37-7,359.96

Finding the Fourth Proportional to 20,507.48, 30,761.37 and 7,359.96

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Solution

The fourth proportional to 20,507.48, 30,761.37 and 7,359.96 is: 11,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507.48 : 30,761.37 = 7,359.96 : x
  2. Step 2: Convert to fraction form
    20,507.48/30,761.37 = 7,359.96/x
  3. Step 3: Cross multiply
    20,507.48x = 30,761.37 × 7,359.96
  4. Step 4: Simplify right side
    20,507.48x = 226,402,568.10
  5. Step 5: Solve for x
    x = 226,402,568.10/20,507.48
  6. Step 6: Final answer
    x = 11,040.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.