Home / 27,514.32-37,969.90-15,579.98

Finding the Fourth Proportional to 27,514.32, 37,969.90 and 15,579.98

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Solution

The fourth proportional to 27,514.32, 37,969.90 and 15,579.98 is: 21,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,514.32 : 37,969.90 = 15,579.98 : x
  2. Step 2: Convert to fraction form
    27,514.32/37,969.90 = 15,579.98/x
  3. Step 3: Cross multiply
    27,514.32x = 37,969.90 × 15,579.98
  4. Step 4: Simplify right side
    27,514.32x = 591,570,014.85
  5. Step 5: Solve for x
    x = 591,570,014.85/27,514.32
  6. Step 6: Final answer
    x = 21,500.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.