Home / 18,050.72-27,084.16-11,475.20

Finding the Fourth Proportional to 18,050.72, 27,084.16 and 11,475.20

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Solution

The fourth proportional to 18,050.72, 27,084.16 and 11,475.20 is: 17,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.72 : 27,084.16 = 11,475.20 : x
  2. Step 2: Convert to fraction form
    18,050.72/27,084.16 = 11,475.20/x
  3. Step 3: Cross multiply
    18,050.72x = 27,084.16 × 11,475.20
  4. Step 4: Simplify right side
    18,050.72x = 310,796,152.83
  5. Step 5: Solve for x
    x = 310,796,152.83/18,050.72
  6. Step 6: Final answer
    x = 17,217.94

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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.