Home / 19,455.39-29,182.68-13,199.76

Finding the Fourth Proportional to 19,455.39, 29,182.68 and 13,199.76

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Solution

The fourth proportional to 19,455.39, 29,182.68 and 13,199.76 is: 19,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.39 : 29,182.68 = 13,199.76 : x
  2. Step 2: Convert to fraction form
    19,455.39/29,182.68 = 13,199.76/x
  3. Step 3: Cross multiply
    19,455.39x = 29,182.68 × 13,199.76
  4. Step 4: Simplify right side
    19,455.39x = 385,204,372.16
  5. Step 5: Solve for x
    x = 385,204,372.16/19,455.39
  6. Step 6: Final answer
    x = 19,799.37

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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.