Home / 13,355.61-20,043.26-6,335.65

Finding the Fourth Proportional to 13,355.61, 20,043.26 and 6,335.65

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Solution

The fourth proportional to 13,355.61, 20,043.26 and 6,335.65 is: 9,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.61 : 20,043.26 = 6,335.65 : x
  2. Step 2: Convert to fraction form
    13,355.61/20,043.26 = 6,335.65/x
  3. Step 3: Cross multiply
    13,355.61x = 20,043.26 × 6,335.65
  4. Step 4: Simplify right side
    13,355.61x = 126,987,045.95
  5. Step 5: Solve for x
    x = 126,987,045.95/13,355.61
  6. Step 6: Final answer
    x = 9,508.14

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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.