Home / 20,011.95-27,615.74-11,059.27

Finding the Fourth Proportional to 20,011.95, 27,615.74 and 11,059.27

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Solution

The fourth proportional to 20,011.95, 27,615.74 and 11,059.27 is: 15,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.95 : 27,615.74 = 11,059.27 : x
  2. Step 2: Convert to fraction form
    20,011.95/27,615.74 = 11,059.27/x
  3. Step 3: Cross multiply
    20,011.95x = 27,615.74 × 11,059.27
  4. Step 4: Simplify right side
    20,011.95x = 305,409,924.91
  5. Step 5: Solve for x
    x = 305,409,924.91/20,011.95
  6. Step 6: Final answer
    x = 15,261.38

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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.