Home / 16,188.17-22,334.45-9,817.31

Finding the Fourth Proportional to 16,188.17, 22,334.45 and 9,817.31

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Solution

The fourth proportional to 16,188.17, 22,334.45 and 9,817.31 is: 13,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.17 : 22,334.45 = 9,817.31 : x
  2. Step 2: Convert to fraction form
    16,188.17/22,334.45 = 9,817.31/x
  3. Step 3: Cross multiply
    16,188.17x = 22,334.45 × 9,817.31
  4. Step 4: Simplify right side
    16,188.17x = 219,264,058.57
  5. Step 5: Solve for x
    x = 219,264,058.57/16,188.17
  6. Step 6: Final answer
    x = 13,544.71

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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.