Home / 20,084.04-27,718.27-12,126.26

Finding the Fourth Proportional to 20,084.04, 27,718.27 and 12,126.26

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Solution

The fourth proportional to 20,084.04, 27,718.27 and 12,126.26 is: 16,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.04 : 27,718.27 = 12,126.26 : x
  2. Step 2: Convert to fraction form
    20,084.04/27,718.27 = 12,126.26/x
  3. Step 3: Cross multiply
    20,084.04x = 27,718.27 × 12,126.26
  4. Step 4: Simplify right side
    20,084.04x = 336,118,987.75
  5. Step 5: Solve for x
    x = 336,118,987.75/20,084.04
  6. Step 6: Final answer
    x = 16,735.63

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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.