Home / 17,766.21-26,666.06-13,071.91

Finding the Fourth Proportional to 17,766.21, 26,666.06 and 13,071.91

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Solution

The fourth proportional to 17,766.21, 26,666.06 and 13,071.91 is: 19,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766.21 : 26,666.06 = 13,071.91 : x
  2. Step 2: Convert to fraction form
    17,766.21/26,666.06 = 13,071.91/x
  3. Step 3: Cross multiply
    17,766.21x = 26,666.06 × 13,071.91
  4. Step 4: Simplify right side
    17,766.21x = 348,576,336.37
  5. Step 5: Solve for x
    x = 348,576,336.37/17,766.21
  6. Step 6: Final answer
    x = 19,620.19

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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.