Home / 19,759.90-29,606.94-13,904.21

Finding the Fourth Proportional to 19,759.90, 29,606.94 and 13,904.21

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Solution

The fourth proportional to 19,759.90, 29,606.94 and 13,904.21 is: 20,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.90 : 29,606.94 = 13,904.21 : x
  2. Step 2: Convert to fraction form
    19,759.90/29,606.94 = 13,904.21/x
  3. Step 3: Cross multiply
    19,759.90x = 29,606.94 × 13,904.21
  4. Step 4: Simplify right side
    19,759.90x = 411,660,963.18
  5. Step 5: Solve for x
    x = 411,660,963.18/19,759.90
  6. Step 6: Final answer
    x = 20,833.15

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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.