Home / 26,555.06-39,857.16-13,416.62

Finding the Fourth Proportional to 26,555.06, 39,857.16 and 13,416.62

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Solution

The fourth proportional to 26,555.06, 39,857.16 and 13,416.62 is: 20,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.06 : 39,857.16 = 13,416.62 : x
  2. Step 2: Convert to fraction form
    26,555.06/39,857.16 = 13,416.62/x
  3. Step 3: Cross multiply
    26,555.06x = 39,857.16 × 13,416.62
  4. Step 4: Simplify right side
    26,555.06x = 534,748,370.00
  5. Step 5: Solve for x
    x = 534,748,370.00/26,555.06
  6. Step 6: Final answer
    x = 20,137.34

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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.