Home / 16,679.46-23,016.80-9,124.32

Finding the Fourth Proportional to 16,679.46, 23,016.80 and 9,124.32

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Solution

The fourth proportional to 16,679.46, 23,016.80 and 9,124.32 is: 12,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.46 : 23,016.80 = 9,124.32 : x
  2. Step 2: Convert to fraction form
    16,679.46/23,016.80 = 9,124.32/x
  3. Step 3: Cross multiply
    16,679.46x = 23,016.80 × 9,124.32
  4. Step 4: Simplify right side
    16,679.46x = 210,012,602.95
  5. Step 5: Solve for x
    x = 210,012,602.95/16,679.46
  6. Step 6: Final answer
    x = 12,591.09

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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.