Home / 20,011.54-27,624.18-13,552.60

Finding the Fourth Proportional to 20,011.54, 27,624.18 and 13,552.60

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Solution

The fourth proportional to 20,011.54, 27,624.18 and 13,552.60 is: 18,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.54 : 27,624.18 = 13,552.60 : x
  2. Step 2: Convert to fraction form
    20,011.54/27,624.18 = 13,552.60/x
  3. Step 3: Cross multiply
    20,011.54x = 27,624.18 × 13,552.60
  4. Step 4: Simplify right side
    20,011.54x = 374,379,461.87
  5. Step 5: Solve for x
    x = 374,379,461.87/20,011.54
  6. Step 6: Final answer
    x = 18,708.18

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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.