Home / 13,268.61-19,900.13-4,501.17

Finding the Fourth Proportional to 13,268.61, 19,900.13 and 4,501.17

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Solution

The fourth proportional to 13,268.61, 19,900.13 and 4,501.17 is: 6,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.61 : 19,900.13 = 4,501.17 : x
  2. Step 2: Convert to fraction form
    13,268.61/19,900.13 = 4,501.17/x
  3. Step 3: Cross multiply
    13,268.61x = 19,900.13 × 4,501.17
  4. Step 4: Simplify right side
    13,268.61x = 89,573,845.65
  5. Step 5: Solve for x
    x = 89,573,845.65/13,268.61
  6. Step 6: Final answer
    x = 6,750.81

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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.