Home / 20,110.01-27,752.54-12,150.70

Finding the Fourth Proportional to 20,110.01, 27,752.54 and 12,150.70

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Solution

The fourth proportional to 20,110.01, 27,752.54 and 12,150.70 is: 16,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.01 : 27,752.54 = 12,150.70 : x
  2. Step 2: Convert to fraction form
    20,110.01/27,752.54 = 12,150.70/x
  3. Step 3: Cross multiply
    20,110.01x = 27,752.54 × 12,150.70
  4. Step 4: Simplify right side
    20,110.01x = 337,212,657.64
  5. Step 5: Solve for x
    x = 337,212,657.64/20,110.01
  6. Step 6: Final answer
    x = 16,768.40

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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.