Home / 14,745.50-20,349.04-8,031.26

Finding the Fourth Proportional to 14,745.50, 20,349.04 and 8,031.26

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Solution

The fourth proportional to 14,745.50, 20,349.04 and 8,031.26 is: 11,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.50 : 20,349.04 = 8,031.26 : x
  2. Step 2: Convert to fraction form
    14,745.50/20,349.04 = 8,031.26/x
  3. Step 3: Cross multiply
    14,745.50x = 20,349.04 × 8,031.26
  4. Step 4: Simplify right side
    14,745.50x = 163,428,385.73
  5. Step 5: Solve for x
    x = 163,428,385.73/14,745.50
  6. Step 6: Final answer
    x = 11,083.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.