Home / 19,686.86-29,497.41-13,832.99

Finding the Fourth Proportional to 19,686.86, 29,497.41 and 13,832.99

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Solution

The fourth proportional to 19,686.86, 29,497.41 and 13,832.99 is: 20,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.86 : 29,497.41 = 13,832.99 : x
  2. Step 2: Convert to fraction form
    19,686.86/29,497.41 = 13,832.99/x
  3. Step 3: Cross multiply
    19,686.86x = 29,497.41 × 13,832.99
  4. Step 4: Simplify right side
    19,686.86x = 408,037,277.18
  5. Step 5: Solve for x
    x = 408,037,277.18/19,686.86
  6. Step 6: Final answer
    x = 20,726.38

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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.