Home / 16,896.40-23,318.52-9,822.70

Finding the Fourth Proportional to 16,896.40, 23,318.52 and 9,822.70

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Solution

The fourth proportional to 16,896.40, 23,318.52 and 9,822.70 is: 13,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.40 : 23,318.52 = 9,822.70 : x
  2. Step 2: Convert to fraction form
    16,896.40/23,318.52 = 9,822.70/x
  3. Step 3: Cross multiply
    16,896.40x = 23,318.52 × 9,822.70
  4. Step 4: Simplify right side
    16,896.40x = 229,050,826.40
  5. Step 5: Solve for x
    x = 229,050,826.40/16,896.40
  6. Step 6: Final answer
    x = 13,556.19

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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.