Home / 13,020.66-19,533.67-5,230.08

Finding the Fourth Proportional to 13,020.66, 19,533.67 and 5,230.08

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Solution

The fourth proportional to 13,020.66, 19,533.67 and 5,230.08 is: 7,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.66 : 19,533.67 = 5,230.08 : x
  2. Step 2: Convert to fraction form
    13,020.66/19,533.67 = 5,230.08/x
  3. Step 3: Cross multiply
    13,020.66x = 19,533.67 × 5,230.08
  4. Step 4: Simplify right side
    13,020.66x = 102,162,656.79
  5. Step 5: Solve for x
    x = 102,162,656.79/13,020.66
  6. Step 6: Final answer
    x = 7,846.20

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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.