Home / 16,102.88-22,234.56-10,440.32

Finding the Fourth Proportional to 16,102.88, 22,234.56 and 10,440.32

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Solution

The fourth proportional to 16,102.88, 22,234.56 and 10,440.32 is: 14,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,102.88 : 22,234.56 = 10,440.32 : x
  2. Step 2: Convert to fraction form
    16,102.88/22,234.56 = 10,440.32/x
  3. Step 3: Cross multiply
    16,102.88x = 22,234.56 × 10,440.32
  4. Step 4: Simplify right side
    16,102.88x = 232,135,921.46
  5. Step 5: Solve for x
    x = 232,135,921.46/16,102.88
  6. Step 6: Final answer
    x = 14,415.80

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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.