Home / 20,068.22-27,697.34-12,522.80

Finding the Fourth Proportional to 20,068.22, 27,697.34 and 12,522.80

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Solution

The fourth proportional to 20,068.22, 27,697.34 and 12,522.80 is: 17,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.22 : 27,697.34 = 12,522.80 : x
  2. Step 2: Convert to fraction form
    20,068.22/27,697.34 = 12,522.80/x
  3. Step 3: Cross multiply
    20,068.22x = 27,697.34 × 12,522.80
  4. Step 4: Simplify right side
    20,068.22x = 346,848,349.90
  5. Step 5: Solve for x
    x = 346,848,349.90/20,068.22
  6. Step 6: Final answer
    x = 17,283.46

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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.