Home / 16,112.56-22,236.44-9,039.64

Finding the Fourth Proportional to 16,112.56, 22,236.44 and 9,039.64

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Solution

The fourth proportional to 16,112.56, 22,236.44 and 9,039.64 is: 12,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.56 : 22,236.44 = 9,039.64 : x
  2. Step 2: Convert to fraction form
    16,112.56/22,236.44 = 9,039.64/x
  3. Step 3: Cross multiply
    16,112.56x = 22,236.44 × 9,039.64
  4. Step 4: Simplify right side
    16,112.56x = 201,009,412.48
  5. Step 5: Solve for x
    x = 201,009,412.48/16,112.56
  6. Step 6: Final answer
    x = 12,475.32

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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.