Home / 13,182.99-19,778.13-5,397.27

Finding the Fourth Proportional to 13,182.99, 19,778.13 and 5,397.27

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Solution

The fourth proportional to 13,182.99, 19,778.13 and 5,397.27 is: 8,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.99 : 19,778.13 = 5,397.27 : x
  2. Step 2: Convert to fraction form
    13,182.99/19,778.13 = 5,397.27/x
  3. Step 3: Cross multiply
    13,182.99x = 19,778.13 × 5,397.27
  4. Step 4: Simplify right side
    13,182.99x = 106,747,907.71
  5. Step 5: Solve for x
    x = 106,747,907.71/13,182.99
  6. Step 6: Final answer
    x = 8,097.40

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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.