Home / 13,050.18-19,578.26-5,655.88

Finding the Fourth Proportional to 13,050.18, 19,578.26 and 5,655.88

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Solution

The fourth proportional to 13,050.18, 19,578.26 and 5,655.88 is: 8,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.18 : 19,578.26 = 5,655.88 : x
  2. Step 2: Convert to fraction form
    13,050.18/19,578.26 = 5,655.88/x
  3. Step 3: Cross multiply
    13,050.18x = 19,578.26 × 5,655.88
  4. Step 4: Simplify right side
    13,050.18x = 110,732,289.17
  5. Step 5: Solve for x
    x = 110,732,289.17/13,050.18
  6. Step 6: Final answer
    x = 8,485.12

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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.