Home / 18,101.64-27,156.24-5,621.34

Finding the Fourth Proportional to 18,101.64, 27,156.24 and 5,621.34

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Solution

The fourth proportional to 18,101.64, 27,156.24 and 5,621.34 is: 8,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.64 : 27,156.24 = 5,621.34 : x
  2. Step 2: Convert to fraction form
    18,101.64/27,156.24 = 5,621.34/x
  3. Step 3: Cross multiply
    18,101.64x = 27,156.24 × 5,621.34
  4. Step 4: Simplify right side
    18,101.64x = 152,654,458.16
  5. Step 5: Solve for x
    x = 152,654,458.16/18,101.64
  6. Step 6: Final answer
    x = 8,433.18

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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.