Home / 21,947.27-32,856.27-13,600.46

Finding the Fourth Proportional to 21,947.27, 32,856.27 and 13,600.46

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Solution

The fourth proportional to 21,947.27, 32,856.27 and 13,600.46 is: 20,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.27 : 32,856.27 = 13,600.46 : x
  2. Step 2: Convert to fraction form
    21,947.27/32,856.27 = 13,600.46/x
  3. Step 3: Cross multiply
    21,947.27x = 32,856.27 × 13,600.46
  4. Step 4: Simplify right side
    21,947.27x = 446,860,385.88
  5. Step 5: Solve for x
    x = 446,860,385.88/21,947.27
  6. Step 6: Final answer
    x = 20,360.64

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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.