Home / 14,654.48-20,223.04-8,366.84

Finding the Fourth Proportional to 14,654.48, 20,223.04 and 8,366.84

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Solution

The fourth proportional to 14,654.48, 20,223.04 and 8,366.84 is: 11,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.48 : 20,223.04 = 8,366.84 : x
  2. Step 2: Convert to fraction form
    14,654.48/20,223.04 = 8,366.84/x
  3. Step 3: Cross multiply
    14,654.48x = 20,223.04 × 8,366.84
  4. Step 4: Simplify right side
    14,654.48x = 169,202,939.99
  5. Step 5: Solve for x
    x = 169,202,939.99/14,654.48
  6. Step 6: Final answer
    x = 11,546.16

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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.