Home / 19,576.96-27,011.52-11,191.36

Finding the Fourth Proportional to 19,576.96, 27,011.52 and 11,191.36

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Solution

The fourth proportional to 19,576.96, 27,011.52 and 11,191.36 is: 15,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.96 : 27,011.52 = 11,191.36 : x
  2. Step 2: Convert to fraction form
    19,576.96/27,011.52 = 11,191.36/x
  3. Step 3: Cross multiply
    19,576.96x = 27,011.52 × 11,191.36
  4. Step 4: Simplify right side
    19,576.96x = 302,295,644.47
  5. Step 5: Solve for x
    x = 302,295,644.47/19,576.96
  6. Step 6: Final answer
    x = 15,441.40

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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.