Home / 19,153.37-28,776.97-18,091.18

Finding the Fourth Proportional to 19,153.37, 28,776.97 and 18,091.18

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Solution

The fourth proportional to 19,153.37, 28,776.97 and 18,091.18 is: 27,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.37 : 28,776.97 = 18,091.18 : x
  2. Step 2: Convert to fraction form
    19,153.37/28,776.97 = 18,091.18/x
  3. Step 3: Cross multiply
    19,153.37x = 28,776.97 × 18,091.18
  4. Step 4: Simplify right side
    19,153.37x = 520,609,109.78
  5. Step 5: Solve for x
    x = 520,609,109.78/19,153.37
  6. Step 6: Final answer
    x = 27,181.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.