Home / 20,337.76-30,495.47-6,293.88

Finding the Fourth Proportional to 20,337.76, 30,495.47 and 6,293.88

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Solution

The fourth proportional to 20,337.76, 30,495.47 and 6,293.88 is: 9,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.76 : 30,495.47 = 6,293.88 : x
  2. Step 2: Convert to fraction form
    20,337.76/30,495.47 = 6,293.88/x
  3. Step 3: Cross multiply
    20,337.76x = 30,495.47 × 6,293.88
  4. Step 4: Simplify right side
    20,337.76x = 191,934,828.72
  5. Step 5: Solve for x
    x = 191,934,828.72/20,337.76
  6. Step 6: Final answer
    x = 9,437.36

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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.