Home / 13,266.08-19,901.48-5,470.64

Finding the Fourth Proportional to 13,266.08, 19,901.48 and 5,470.64

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Solution

The fourth proportional to 13,266.08, 19,901.48 and 5,470.64 is: 8,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.08 : 19,901.48 = 5,470.64 : x
  2. Step 2: Convert to fraction form
    13,266.08/19,901.48 = 5,470.64/x
  3. Step 3: Cross multiply
    13,266.08x = 19,901.48 × 5,470.64
  4. Step 4: Simplify right side
    13,266.08x = 108,873,832.55
  5. Step 5: Solve for x
    x = 108,873,832.55/13,266.08
  6. Step 6: Final answer
    x = 8,206.93

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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.