Home / 16,838.60-23,238.12-9,765.12

Finding the Fourth Proportional to 16,838.60, 23,238.12 and 9,765.12

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Solution

The fourth proportional to 16,838.60, 23,238.12 and 9,765.12 is: 13,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.60 : 23,238.12 = 9,765.12 : x
  2. Step 2: Convert to fraction form
    16,838.60/23,238.12 = 9,765.12/x
  3. Step 3: Cross multiply
    16,838.60x = 23,238.12 × 9,765.12
  4. Step 4: Simplify right side
    16,838.60x = 226,923,030.37
  5. Step 5: Solve for x
    x = 226,923,030.37/16,838.60
  6. Step 6: Final answer
    x = 13,476.36

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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.