Home / 16,261.36-22,440.54-9,187.82

Finding the Fourth Proportional to 16,261.36, 22,440.54 and 9,187.82

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Solution

The fourth proportional to 16,261.36, 22,440.54 and 9,187.82 is: 12,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.36 : 22,440.54 = 9,187.82 : x
  2. Step 2: Convert to fraction form
    16,261.36/22,440.54 = 9,187.82/x
  3. Step 3: Cross multiply
    16,261.36x = 22,440.54 × 9,187.82
  4. Step 4: Simplify right side
    16,261.36x = 206,179,642.22
  5. Step 5: Solve for x
    x = 206,179,642.22/16,261.36
  6. Step 6: Final answer
    x = 12,679.11

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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.