Home / 19,698.12-29,488.68-11,883.24

Finding the Fourth Proportional to 19,698.12, 29,488.68 and 11,883.24

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Solution

The fourth proportional to 19,698.12, 29,488.68 and 11,883.24 is: 17,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.12 : 29,488.68 = 11,883.24 : x
  2. Step 2: Convert to fraction form
    19,698.12/29,488.68 = 11,883.24/x
  3. Step 3: Cross multiply
    19,698.12x = 29,488.68 × 11,883.24
  4. Step 4: Simplify right side
    19,698.12x = 350,421,061.72
  5. Step 5: Solve for x
    x = 350,421,061.72/19,698.12
  6. Step 6: Final answer
    x = 17,789.57

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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.