Home / 19,835.45-27,373.20-10,882.79

Finding the Fourth Proportional to 19,835.45, 27,373.20 and 10,882.79

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Solution

The fourth proportional to 19,835.45, 27,373.20 and 10,882.79 is: 15,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.45 : 27,373.20 = 10,882.79 : x
  2. Step 2: Convert to fraction form
    19,835.45/27,373.20 = 10,882.79/x
  3. Step 3: Cross multiply
    19,835.45x = 27,373.20 × 10,882.79
  4. Step 4: Simplify right side
    19,835.45x = 297,896,787.23
  5. Step 5: Solve for x
    x = 297,896,787.23/19,835.45
  6. Step 6: Final answer
    x = 15,018.40

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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.