Home / 20,011.53-27,600.35-14,187.96

Finding the Fourth Proportional to 20,011.53, 27,600.35 and 14,187.96

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Solution

The fourth proportional to 20,011.53, 27,600.35 and 14,187.96 is: 19,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.53 : 27,600.35 = 14,187.96 : x
  2. Step 2: Convert to fraction form
    20,011.53/27,600.35 = 14,187.96/x
  3. Step 3: Cross multiply
    20,011.53x = 27,600.35 × 14,187.96
  4. Step 4: Simplify right side
    20,011.53x = 391,592,590.85
  5. Step 5: Solve for x
    x = 391,592,590.85/20,011.53
  6. Step 6: Final answer
    x = 19,568.35

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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.