Home / 16,236.60-22,406.81-9,161.66

Finding the Fourth Proportional to 16,236.60, 22,406.81 and 9,161.66

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Solution

The fourth proportional to 16,236.60, 22,406.81 and 9,161.66 is: 12,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,236.60 : 22,406.81 = 9,161.66 : x
  2. Step 2: Convert to fraction form
    16,236.60/22,406.81 = 9,161.66/x
  3. Step 3: Cross multiply
    16,236.60x = 22,406.81 × 9,161.66
  4. Step 4: Simplify right side
    16,236.60x = 205,283,417.06
  5. Step 5: Solve for x
    x = 205,283,417.06/16,236.60
  6. Step 6: Final answer
    x = 12,643.25

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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.