Home / 13,141.86-19,715.03-5,746.16

Finding the Fourth Proportional to 13,141.86, 19,715.03 and 5,746.16

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Solution

The fourth proportional to 13,141.86, 19,715.03 and 5,746.16 is: 8,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.86 : 19,715.03 = 5,746.16 : x
  2. Step 2: Convert to fraction form
    13,141.86/19,715.03 = 5,746.16/x
  3. Step 3: Cross multiply
    13,141.86x = 19,715.03 × 5,746.16
  4. Step 4: Simplify right side
    13,141.86x = 113,285,589.48
  5. Step 5: Solve for x
    x = 113,285,589.48/13,141.86
  6. Step 6: Final answer
    x = 8,620.21

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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.