Home / 16,155.92-22,292.88-8,985.26

Finding the Fourth Proportional to 16,155.92, 22,292.88 and 8,985.26

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Solution

The fourth proportional to 16,155.92, 22,292.88 and 8,985.26 is: 12,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,155.92 : 22,292.88 = 8,985.26 : x
  2. Step 2: Convert to fraction form
    16,155.92/22,292.88 = 8,985.26/x
  3. Step 3: Cross multiply
    16,155.92x = 22,292.88 × 8,985.26
  4. Step 4: Simplify right side
    16,155.92x = 200,307,322.95
  5. Step 5: Solve for x
    x = 200,307,322.95/16,155.92
  6. Step 6: Final answer
    x = 12,398.39

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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.