Home / 16,943.70-23,382.44-9,390.16

Finding the Fourth Proportional to 16,943.70, 23,382.44 and 9,390.16

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Solution

The fourth proportional to 16,943.70, 23,382.44 and 9,390.16 is: 12,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.70 : 23,382.44 = 9,390.16 : x
  2. Step 2: Convert to fraction form
    16,943.70/23,382.44 = 9,390.16/x
  3. Step 3: Cross multiply
    16,943.70x = 23,382.44 × 9,390.16
  4. Step 4: Simplify right side
    16,943.70x = 219,564,852.79
  5. Step 5: Solve for x
    x = 219,564,852.79/16,943.70
  6. Step 6: Final answer
    x = 12,958.50

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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.