Home / 14,714.37-20,309.04-9,679.05

Finding the Fourth Proportional to 14,714.37, 20,309.04 and 9,679.05

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Solution

The fourth proportional to 14,714.37, 20,309.04 and 9,679.05 is: 13,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.37 : 20,309.04 = 9,679.05 : x
  2. Step 2: Convert to fraction form
    14,714.37/20,309.04 = 9,679.05/x
  3. Step 3: Cross multiply
    14,714.37x = 20,309.04 × 9,679.05
  4. Step 4: Simplify right side
    14,714.37x = 196,572,213.61
  5. Step 5: Solve for x
    x = 196,572,213.61/14,714.37
  6. Step 6: Final answer
    x = 13,359.20

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Half scale
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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.