Home / 16,856.28-23,261.70-9,404.28

Finding the Fourth Proportional to 16,856.28, 23,261.70 and 9,404.28

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Solution

The fourth proportional to 16,856.28, 23,261.70 and 9,404.28 is: 12,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.28 : 23,261.70 = 9,404.28 : x
  2. Step 2: Convert to fraction form
    16,856.28/23,261.70 = 9,404.28/x
  3. Step 3: Cross multiply
    16,856.28x = 23,261.70 × 9,404.28
  4. Step 4: Simplify right side
    16,856.28x = 218,759,540.08
  5. Step 5: Solve for x
    x = 218,759,540.08/16,856.28
  6. Step 6: Final answer
    x = 12,977.93

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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.