Home / 21,546.05-32,321.52-9,856.13

Finding the Fourth Proportional to 21,546.05, 32,321.52 and 9,856.13

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Solution

The fourth proportional to 21,546.05, 32,321.52 and 9,856.13 is: 14,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.05 : 32,321.52 = 9,856.13 : x
  2. Step 2: Convert to fraction form
    21,546.05/32,321.52 = 9,856.13/x
  3. Step 3: Cross multiply
    21,546.05x = 32,321.52 × 9,856.13
  4. Step 4: Simplify right side
    21,546.05x = 318,564,941.31
  5. Step 5: Solve for x
    x = 318,564,941.31/21,546.05
  6. Step 6: Final answer
    x = 14,785.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.