Home / 20,611.04-28,454.26-16,125.26

Finding the Fourth Proportional to 20,611.04, 28,454.26 and 16,125.26

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Solution

The fourth proportional to 20,611.04, 28,454.26 and 16,125.26 is: 22,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,611.04 : 28,454.26 = 16,125.26 : x
  2. Step 2: Convert to fraction form
    20,611.04/28,454.26 = 16,125.26/x
  3. Step 3: Cross multiply
    20,611.04x = 28,454.26 × 16,125.26
  4. Step 4: Simplify right side
    20,611.04x = 458,832,340.61
  5. Step 5: Solve for x
    x = 458,832,340.61/20,611.04
  6. Step 6: Final answer
    x = 22,261.48

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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.