Home / 14,745.68-20,349.16-8,031.33

Finding the Fourth Proportional to 14,745.68, 20,349.16 and 8,031.33

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Solution

The fourth proportional to 14,745.68, 20,349.16 and 8,031.33 is: 11,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.68 : 20,349.16 = 8,031.33 : x
  2. Step 2: Convert to fraction form
    14,745.68/20,349.16 = 8,031.33/x
  3. Step 3: Cross multiply
    14,745.68x = 20,349.16 × 8,031.33
  4. Step 4: Simplify right side
    14,745.68x = 163,430,819.18
  5. Step 5: Solve for x
    x = 163,430,819.18/14,745.68
  6. Step 6: Final answer
    x = 11,083.30

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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.