Home / 16,062.60-22,166.82-8,989.23

Finding the Fourth Proportional to 16,062.60, 22,166.82 and 8,989.23

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Solution

The fourth proportional to 16,062.60, 22,166.82 and 8,989.23 is: 12,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062.60 : 22,166.82 = 8,989.23 : x
  2. Step 2: Convert to fraction form
    16,062.60/22,166.82 = 8,989.23/x
  3. Step 3: Cross multiply
    16,062.60x = 22,166.82 × 8,989.23
  4. Step 4: Simplify right side
    16,062.60x = 199,262,643.35
  5. Step 5: Solve for x
    x = 199,262,643.35/16,062.60
  6. Step 6: Final answer
    x = 12,405.38

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Half scale
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Double scale
Find fourth proportional to 16,063.60, 22,168.20 and 8,990.23
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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.