Home / 23,427.05-32,330.10-12,816.44

Finding the Fourth Proportional to 23,427.05, 32,330.10 and 12,816.44

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Solution

The fourth proportional to 23,427.05, 32,330.10 and 12,816.44 is: 17,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.05 : 32,330.10 = 12,816.44 : x
  2. Step 2: Convert to fraction form
    23,427.05/32,330.10 = 12,816.44/x
  3. Step 3: Cross multiply
    23,427.05x = 32,330.10 × 12,816.44
  4. Step 4: Simplify right side
    23,427.05x = 414,356,786.84
  5. Step 5: Solve for x
    x = 414,356,786.84/23,427.05
  6. Step 6: Final answer
    x = 17,687.11

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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.