Home / 13,367.86-20,038.56-6,335.44

Finding the Fourth Proportional to 13,367.86, 20,038.56 and 6,335.44

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Solution

The fourth proportional to 13,367.86, 20,038.56 and 6,335.44 is: 9,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.86 : 20,038.56 = 6,335.44 : x
  2. Step 2: Convert to fraction form
    13,367.86/20,038.56 = 6,335.44/x
  3. Step 3: Cross multiply
    13,367.86x = 20,038.56 × 6,335.44
  4. Step 4: Simplify right side
    13,367.86x = 126,953,020.71
  5. Step 5: Solve for x
    x = 126,953,020.71/13,367.86
  6. Step 6: Final answer
    x = 9,496.89

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1.5x scale

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.