Home / 19,972.56-27,560.70-11,020.08

Finding the Fourth Proportional to 19,972.56, 27,560.70 and 11,020.08

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Solution

The fourth proportional to 19,972.56, 27,560.70 and 11,020.08 is: 15,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.56 : 27,560.70 = 11,020.08 : x
  2. Step 2: Convert to fraction form
    19,972.56/27,560.70 = 11,020.08/x
  3. Step 3: Cross multiply
    19,972.56x = 27,560.70 × 11,020.08
  4. Step 4: Simplify right side
    19,972.56x = 303,721,118.86
  5. Step 5: Solve for x
    x = 303,721,118.86/19,972.56
  6. Step 6: Final answer
    x = 15,206.92

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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.