Home / 19,686.09-29,536.52-11,794.13

Finding the Fourth Proportional to 19,686.09, 29,536.52 and 11,794.13

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Solution

The fourth proportional to 19,686.09, 29,536.52 and 11,794.13 is: 17,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.09 : 29,536.52 = 11,794.13 : x
  2. Step 2: Convert to fraction form
    19,686.09/29,536.52 = 11,794.13/x
  3. Step 3: Cross multiply
    19,686.09x = 29,536.52 × 11,794.13
  4. Step 4: Simplify right side
    19,686.09x = 348,357,349.97
  5. Step 5: Solve for x
    x = 348,357,349.97/19,686.09
  6. Step 6: Final answer
    x = 17,695.61

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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.