Home / 19,868.14-29,783.68-6,711.31

Finding the Fourth Proportional to 19,868.14, 29,783.68 and 6,711.31

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Solution

The fourth proportional to 19,868.14, 29,783.68 and 6,711.31 is: 10,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.14 : 29,783.68 = 6,711.31 : x
  2. Step 2: Convert to fraction form
    19,868.14/29,783.68 = 6,711.31/x
  3. Step 3: Cross multiply
    19,868.14x = 29,783.68 × 6,711.31
  4. Step 4: Simplify right side
    19,868.14x = 199,887,418.18
  5. Step 5: Solve for x
    x = 199,887,418.18/19,868.14
  6. Step 6: Final answer
    x = 10,060.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.