Home / 14,745.65-20,348.88-8,031.27

Finding the Fourth Proportional to 14,745.65, 20,348.88 and 8,031.27

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Solution

The fourth proportional to 14,745.65, 20,348.88 and 8,031.27 is: 11,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.65 : 20,348.88 = 8,031.27 : x
  2. Step 2: Convert to fraction form
    14,745.65/20,348.88 = 8,031.27/x
  3. Step 3: Cross multiply
    14,745.65x = 20,348.88 × 8,031.27
  4. Step 4: Simplify right side
    14,745.65x = 163,427,349.48
  5. Step 5: Solve for x
    x = 163,427,349.48/14,745.65
  6. Step 6: Final answer
    x = 11,083.09

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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.