Home / 14,734.92-20,335.95-8,447.28

Finding the Fourth Proportional to 14,734.92, 20,335.95 and 8,447.28

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Solution

The fourth proportional to 14,734.92, 20,335.95 and 8,447.28 is: 11,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.92 : 20,335.95 = 8,447.28 : x
  2. Step 2: Convert to fraction form
    14,734.92/20,335.95 = 8,447.28/x
  3. Step 3: Cross multiply
    14,734.92x = 20,335.95 × 8,447.28
  4. Step 4: Simplify right side
    14,734.92x = 171,783,463.72
  5. Step 5: Solve for x
    x = 171,783,463.72/14,734.92
  6. Step 6: Final answer
    x = 11,658.26

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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.