Home / 13,103.35-19,655.22-7,296.87

Finding the Fourth Proportional to 13,103.35, 19,655.22 and 7,296.87

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Solution

The fourth proportional to 13,103.35, 19,655.22 and 7,296.87 is: 10,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.35 : 19,655.22 = 7,296.87 : x
  2. Step 2: Convert to fraction form
    13,103.35/19,655.22 = 7,296.87/x
  3. Step 3: Cross multiply
    13,103.35x = 19,655.22 × 7,296.87
  4. Step 4: Simplify right side
    13,103.35x = 143,421,486.89
  5. Step 5: Solve for x
    x = 143,421,486.89/13,103.35
  6. Step 6: Final answer
    x = 10,945.41

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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.