Home / 19,934.12-29,908.20-11,176.40

Finding the Fourth Proportional to 19,934.12, 29,908.20 and 11,176.40

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Solution

The fourth proportional to 19,934.12, 29,908.20 and 11,176.40 is: 16,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.12 : 29,908.20 = 11,176.40 : x
  2. Step 2: Convert to fraction form
    19,934.12/29,908.20 = 11,176.40/x
  3. Step 3: Cross multiply
    19,934.12x = 29,908.20 × 11,176.40
  4. Step 4: Simplify right side
    19,934.12x = 334,266,006.48
  5. Step 5: Solve for x
    x = 334,266,006.48/19,934.12
  6. Step 6: Final answer
    x = 16,768.54

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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.