Home / 20,020.32-27,624.24-12,564.96

Finding the Fourth Proportional to 20,020.32, 27,624.24 and 12,564.96

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Solution

The fourth proportional to 20,020.32, 27,624.24 and 12,564.96 is: 17,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.32 : 27,624.24 = 12,564.96 : x
  2. Step 2: Convert to fraction form
    20,020.32/27,624.24 = 12,564.96/x
  3. Step 3: Cross multiply
    20,020.32x = 27,624.24 × 12,564.96
  4. Step 4: Simplify right side
    20,020.32x = 347,097,470.63
  5. Step 5: Solve for x
    x = 347,097,470.63/20,020.32
  6. Step 6: Final answer
    x = 17,337.26

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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.