Home / 13,217.82-19,826.34-4,897.65

Finding the Fourth Proportional to 13,217.82, 19,826.34 and 4,897.65

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Solution

The fourth proportional to 13,217.82, 19,826.34 and 4,897.65 is: 7,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.82 : 19,826.34 = 4,897.65 : x
  2. Step 2: Convert to fraction form
    13,217.82/19,826.34 = 4,897.65/x
  3. Step 3: Cross multiply
    13,217.82x = 19,826.34 × 4,897.65
  4. Step 4: Simplify right side
    13,217.82x = 97,102,474.10
  5. Step 5: Solve for x
    x = 97,102,474.10/13,217.82
  6. Step 6: Final answer
    x = 7,346.33

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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.