Home / 23,136.90-34,523.58-21,726.30

Finding the Fourth Proportional to 23,136.90, 34,523.58 and 21,726.30

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Solution

The fourth proportional to 23,136.90, 34,523.58 and 21,726.30 is: 32,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.90 : 34,523.58 = 21,726.30 : x
  2. Step 2: Convert to fraction form
    23,136.90/34,523.58 = 21,726.30/x
  3. Step 3: Cross multiply
    23,136.90x = 34,523.58 × 21,726.30
  4. Step 4: Simplify right side
    23,136.90x = 750,069,656.15
  5. Step 5: Solve for x
    x = 750,069,656.15/23,136.90
  6. Step 6: Final answer
    x = 32,418.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.