Home / 16,156.36-22,287.22-12,170.53

Finding the Fourth Proportional to 16,156.36, 22,287.22 and 12,170.53

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Solution

The fourth proportional to 16,156.36, 22,287.22 and 12,170.53 is: 16,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.36 : 22,287.22 = 12,170.53 : x
  2. Step 2: Convert to fraction form
    16,156.36/22,287.22 = 12,170.53/x
  3. Step 3: Cross multiply
    16,156.36x = 22,287.22 × 12,170.53
  4. Step 4: Simplify right side
    16,156.36x = 271,247,279.63
  5. Step 5: Solve for x
    x = 271,247,279.63/16,156.36
  6. Step 6: Final answer
    x = 16,788.89

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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.