Home / 16,236.36-22,405.95-9,165.06

Finding the Fourth Proportional to 16,236.36, 22,405.95 and 9,165.06

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Solution

The fourth proportional to 16,236.36, 22,405.95 and 9,165.06 is: 12,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,236.36 : 22,405.95 = 9,165.06 : x
  2. Step 2: Convert to fraction form
    16,236.36/22,405.95 = 9,165.06/x
  3. Step 3: Cross multiply
    16,236.36x = 22,405.95 × 9,165.06
  4. Step 4: Simplify right side
    16,236.36x = 205,351,876.11
  5. Step 5: Solve for x
    x = 205,351,876.11/16,236.36
  6. Step 6: Final answer
    x = 12,647.65

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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.