Home / 19,844.20-29,590.97-19,666.12

Finding the Fourth Proportional to 19,844.20, 29,590.97 and 19,666.12

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Solution

The fourth proportional to 19,844.20, 29,590.97 and 19,666.12 is: 29,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.20 : 29,590.97 = 19,666.12 : x
  2. Step 2: Convert to fraction form
    19,844.20/29,590.97 = 19,666.12/x
  3. Step 3: Cross multiply
    19,844.20x = 29,590.97 × 19,666.12
  4. Step 4: Simplify right side
    19,844.20x = 581,939,566.94
  5. Step 5: Solve for x
    x = 581,939,566.94/19,844.20
  6. Step 6: Final answer
    x = 29,325.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.