Home / 18,256.16-27,388.38-5,776.94

Finding the Fourth Proportional to 18,256.16, 27,388.38 and 5,776.94

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Solution

The fourth proportional to 18,256.16, 27,388.38 and 5,776.94 is: 8,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.16 : 27,388.38 = 5,776.94 : x
  2. Step 2: Convert to fraction form
    18,256.16/27,388.38 = 5,776.94/x
  3. Step 3: Cross multiply
    18,256.16x = 27,388.38 × 5,776.94
  4. Step 4: Simplify right side
    18,256.16x = 158,221,027.96
  5. Step 5: Solve for x
    x = 158,221,027.96/18,256.16
  6. Step 6: Final answer
    x = 8,666.72

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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.