Home / 13,222.88-19,836.16-4,460.30

Finding the Fourth Proportional to 13,222.88, 19,836.16 and 4,460.30

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Solution

The fourth proportional to 13,222.88, 19,836.16 and 4,460.30 is: 6,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.88 : 19,836.16 = 4,460.30 : x
  2. Step 2: Convert to fraction form
    13,222.88/19,836.16 = 4,460.30/x
  3. Step 3: Cross multiply
    13,222.88x = 19,836.16 × 4,460.30
  4. Step 4: Simplify right side
    13,222.88x = 88,475,224.45
  5. Step 5: Solve for x
    x = 88,475,224.45/13,222.88
  6. Step 6: Final answer
    x = 6,691.07

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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.