Home / 13,223.16-19,834.20-4,458.06

Finding the Fourth Proportional to 13,223.16, 19,834.20 and 4,458.06

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Solution

The fourth proportional to 13,223.16, 19,834.20 and 4,458.06 is: 6,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.16 : 19,834.20 = 4,458.06 : x
  2. Step 2: Convert to fraction form
    13,223.16/19,834.20 = 4,458.06/x
  3. Step 3: Cross multiply
    13,223.16x = 19,834.20 × 4,458.06
  4. Step 4: Simplify right side
    13,223.16x = 88,422,053.65
  5. Step 5: Solve for x
    x = 88,422,053.65/13,223.16
  6. Step 6: Final answer
    x = 6,686.91

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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.