Home / 13,222.58-19,820.03-4,454.46

Finding the Fourth Proportional to 13,222.58, 19,820.03 and 4,454.46

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Solution

The fourth proportional to 13,222.58, 19,820.03 and 4,454.46 is: 6,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.58 : 19,820.03 = 4,454.46 : x
  2. Step 2: Convert to fraction form
    13,222.58/19,820.03 = 4,454.46/x
  3. Step 3: Cross multiply
    13,222.58x = 19,820.03 × 4,454.46
  4. Step 4: Simplify right side
    13,222.58x = 88,287,508.56
  5. Step 5: Solve for x
    x = 88,287,508.56/13,222.58
  6. Step 6: Final answer
    x = 6,677.03

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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.