Home / 14,731.16-20,305.35-9,949.57

Finding the Fourth Proportional to 14,731.16, 20,305.35 and 9,949.57

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Solution

The fourth proportional to 14,731.16, 20,305.35 and 9,949.57 is: 13,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.16 : 20,305.35 = 9,949.57 : x
  2. Step 2: Convert to fraction form
    14,731.16/20,305.35 = 9,949.57/x
  3. Step 3: Cross multiply
    14,731.16x = 20,305.35 × 9,949.57
  4. Step 4: Simplify right side
    14,731.16x = 202,029,501.20
  5. Step 5: Solve for x
    x = 202,029,501.20/14,731.16
  6. Step 6: Final answer
    x = 13,714.43

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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.