Home / 20,239.17-30,352.02-7,088.41

Finding the Fourth Proportional to 20,239.17, 30,352.02 and 7,088.41

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Solution

The fourth proportional to 20,239.17, 30,352.02 and 7,088.41 is: 10,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.17 : 30,352.02 = 7,088.41 : x
  2. Step 2: Convert to fraction form
    20,239.17/30,352.02 = 7,088.41/x
  3. Step 3: Cross multiply
    20,239.17x = 30,352.02 × 7,088.41
  4. Step 4: Simplify right side
    20,239.17x = 215,147,573.45
  5. Step 5: Solve for x
    x = 215,147,573.45/20,239.17
  6. Step 6: Final answer
    x = 10,630.26

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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.