Home / 13,264.83-18,299.34-7,950.42

Finding the Fourth Proportional to 13,264.83, 18,299.34 and 7,950.42

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Solution

The fourth proportional to 13,264.83, 18,299.34 and 7,950.42 is: 10,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.83 : 18,299.34 = 7,950.42 : x
  2. Step 2: Convert to fraction form
    13,264.83/18,299.34 = 7,950.42/x
  3. Step 3: Cross multiply
    13,264.83x = 18,299.34 × 7,950.42
  4. Step 4: Simplify right side
    13,264.83x = 145,487,438.72
  5. Step 5: Solve for x
    x = 145,487,438.72/13,264.83
  6. Step 6: Final answer
    x = 10,967.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.