Home / 19,686.87-29,497.42-13,833.00

Finding the Fourth Proportional to 19,686.87, 29,497.42 and 13,833.00

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Solution

The fourth proportional to 19,686.87, 29,497.42 and 13,833.00 is: 20,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.87 : 29,497.42 = 13,833.00 : x
  2. Step 2: Convert to fraction form
    19,686.87/29,497.42 = 13,833.00/x
  3. Step 3: Cross multiply
    19,686.87x = 29,497.42 × 13,833.00
  4. Step 4: Simplify right side
    19,686.87x = 408,037,663.37
  5. Step 5: Solve for x
    x = 408,037,663.37/19,686.87
  6. Step 6: Final answer
    x = 20,726.39

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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.