Home / 16,930.12-23,366.15-10,557.75

Finding the Fourth Proportional to 16,930.12, 23,366.15 and 10,557.75

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Solution

The fourth proportional to 16,930.12, 23,366.15 and 10,557.75 is: 14,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.12 : 23,366.15 = 10,557.75 : x
  2. Step 2: Convert to fraction form
    16,930.12/23,366.15 = 10,557.75/x
  3. Step 3: Cross multiply
    16,930.12x = 23,366.15 × 10,557.75
  4. Step 4: Simplify right side
    16,930.12x = 246,693,970.16
  5. Step 5: Solve for x
    x = 246,693,970.16/16,930.12
  6. Step 6: Final answer
    x = 14,571.31

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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.