Home / 13,299.72-19,950.84-6,374.28

Finding the Fourth Proportional to 13,299.72, 19,950.84 and 6,374.28

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Solution

The fourth proportional to 13,299.72, 19,950.84 and 6,374.28 is: 9,562.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.72 : 19,950.84 = 6,374.28 : x
  2. Step 2: Convert to fraction form
    13,299.72/19,950.84 = 6,374.28/x
  3. Step 3: Cross multiply
    13,299.72x = 19,950.84 × 6,374.28
  4. Step 4: Simplify right side
    13,299.72x = 127,172,240.40
  5. Step 5: Solve for x
    x = 127,172,240.40/13,299.72
  6. Step 6: Final answer
    x = 9,562.02

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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.