Home / 15,027.96-20,713.74-11,295.48

Finding the Fourth Proportional to 15,027.96, 20,713.74 and 11,295.48

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Solution

The fourth proportional to 15,027.96, 20,713.74 and 11,295.48 is: 15,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.96 : 20,713.74 = 11,295.48 : x
  2. Step 2: Convert to fraction form
    15,027.96/20,713.74 = 11,295.48/x
  3. Step 3: Cross multiply
    15,027.96x = 20,713.74 × 11,295.48
  4. Step 4: Simplify right side
    15,027.96x = 233,971,635.90
  5. Step 5: Solve for x
    x = 233,971,635.90/15,027.96
  6. Step 6: Final answer
    x = 15,569.09

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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.