Home / 16,693.97-23,036.80-9,138.85

Finding the Fourth Proportional to 16,693.97, 23,036.80 and 9,138.85

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Solution

The fourth proportional to 16,693.97, 23,036.80 and 9,138.85 is: 12,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.97 : 23,036.80 = 9,138.85 : x
  2. Step 2: Convert to fraction form
    16,693.97/23,036.80 = 9,138.85/x
  3. Step 3: Cross multiply
    16,693.97x = 23,036.80 × 9,138.85
  4. Step 4: Simplify right side
    16,693.97x = 210,529,925.96
  5. Step 5: Solve for x
    x = 210,529,925.96/16,693.97
  6. Step 6: Final answer
    x = 12,611.14

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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.