Home / 27,010.08-40,515.12-11,427.84

Finding the Fourth Proportional to 27,010.08, 40,515.12 and 11,427.84

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Solution

The fourth proportional to 27,010.08, 40,515.12 and 11,427.84 is: 17,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.08 : 40,515.12 = 11,427.84 : x
  2. Step 2: Convert to fraction form
    27,010.08/40,515.12 = 11,427.84/x
  3. Step 3: Cross multiply
    27,010.08x = 40,515.12 × 11,427.84
  4. Step 4: Simplify right side
    27,010.08x = 463,000,308.94
  5. Step 5: Solve for x
    x = 463,000,308.94/27,010.08
  6. Step 6: Final answer
    x = 17,141.76

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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.