Home / 13,312.74-19,933.39-7,452.66

Finding the Fourth Proportional to 13,312.74, 19,933.39 and 7,452.66

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Solution

The fourth proportional to 13,312.74, 19,933.39 and 7,452.66 is: 11,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.74 : 19,933.39 = 7,452.66 : x
  2. Step 2: Convert to fraction form
    13,312.74/19,933.39 = 7,452.66/x
  3. Step 3: Cross multiply
    13,312.74x = 19,933.39 × 7,452.66
  4. Step 4: Simplify right side
    13,312.74x = 148,556,778.32
  5. Step 5: Solve for x
    x = 148,556,778.32/13,312.74
  6. Step 6: Final answer
    x = 11,158.99

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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.