Home / 14,734.56-20,336.16-9,429.12

Finding the Fourth Proportional to 14,734.56, 20,336.16 and 9,429.12

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Solution

The fourth proportional to 14,734.56, 20,336.16 and 9,429.12 is: 13,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.56 : 20,336.16 = 9,429.12 : x
  2. Step 2: Convert to fraction form
    14,734.56/20,336.16 = 9,429.12/x
  3. Step 3: Cross multiply
    14,734.56x = 20,336.16 × 9,429.12
  4. Step 4: Simplify right side
    14,734.56x = 191,752,092.98
  5. Step 5: Solve for x
    x = 191,752,092.98/14,734.56
  6. Step 6: Final answer
    x = 13,013.76

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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.