Home / 19,939.68-27,510.72-11,554.56

Finding the Fourth Proportional to 19,939.68, 27,510.72 and 11,554.56

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Solution

The fourth proportional to 19,939.68, 27,510.72 and 11,554.56 is: 15,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.68 : 27,510.72 = 11,554.56 : x
  2. Step 2: Convert to fraction form
    19,939.68/27,510.72 = 11,554.56/x
  3. Step 3: Cross multiply
    19,939.68x = 27,510.72 × 11,554.56
  4. Step 4: Simplify right side
    19,939.68x = 317,874,264.88
  5. Step 5: Solve for x
    x = 317,874,264.88/19,939.68
  6. Step 6: Final answer
    x = 15,941.79

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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.