Home / 13,658.18-20,498.20-6,266.12

Finding the Fourth Proportional to 13,658.18, 20,498.20 and 6,266.12

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Solution

The fourth proportional to 13,658.18, 20,498.20 and 6,266.12 is: 9,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.18 : 20,498.20 = 6,266.12 : x
  2. Step 2: Convert to fraction form
    13,658.18/20,498.20 = 6,266.12/x
  3. Step 3: Cross multiply
    13,658.18x = 20,498.20 × 6,266.12
  4. Step 4: Simplify right side
    13,658.18x = 128,444,180.98
  5. Step 5: Solve for x
    x = 128,444,180.98/13,658.18
  6. Step 6: Final answer
    x = 9,404.19

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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.