Home / 21,349.66-29,452.52-13,798.36

Finding the Fourth Proportional to 21,349.66, 29,452.52 and 13,798.36

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Solution

The fourth proportional to 21,349.66, 29,452.52 and 13,798.36 is: 19,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.66 : 29,452.52 = 13,798.36 : x
  2. Step 2: Convert to fraction form
    21,349.66/29,452.52 = 13,798.36/x
  3. Step 3: Cross multiply
    21,349.66x = 29,452.52 × 13,798.36
  4. Step 4: Simplify right side
    21,349.66x = 406,396,473.87
  5. Step 5: Solve for x
    x = 406,396,473.87/21,349.66
  6. Step 6: Final answer
    x = 19,035.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.