Home / 16,822.98-23,217.75-9,749.70

Finding the Fourth Proportional to 16,822.98, 23,217.75 and 9,749.70

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Solution

The fourth proportional to 16,822.98, 23,217.75 and 9,749.70 is: 13,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.98 : 23,217.75 = 9,749.70 : x
  2. Step 2: Convert to fraction form
    16,822.98/23,217.75 = 9,749.70/x
  3. Step 3: Cross multiply
    16,822.98x = 23,217.75 × 9,749.70
  4. Step 4: Simplify right side
    16,822.98x = 226,366,097.18
  5. Step 5: Solve for x
    x = 226,366,097.18/16,822.98
  6. Step 6: Final answer
    x = 13,455.77

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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.