Home / 20,084.24-27,706.92-12,525.68

Finding the Fourth Proportional to 20,084.24, 27,706.92 and 12,525.68

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Solution

The fourth proportional to 20,084.24, 27,706.92 and 12,525.68 is: 17,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.24 : 27,706.92 = 12,525.68 : x
  2. Step 2: Convert to fraction form
    20,084.24/27,706.92 = 12,525.68/x
  3. Step 3: Cross multiply
    20,084.24x = 27,706.92 × 12,525.68
  4. Step 4: Simplify right side
    20,084.24x = 347,048,013.71
  5. Step 5: Solve for x
    x = 347,048,013.71/20,084.24
  6. Step 6: Final answer
    x = 17,279.62

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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.