Home / 13,714.66-20,525.91-7,862.50

Finding the Fourth Proportional to 13,714.66, 20,525.91 and 7,862.50

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Solution

The fourth proportional to 13,714.66, 20,525.91 and 7,862.50 is: 11,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.66 : 20,525.91 = 7,862.50 : x
  2. Step 2: Convert to fraction form
    13,714.66/20,525.91 = 7,862.50/x
  3. Step 3: Cross multiply
    13,714.66x = 20,525.91 × 7,862.50
  4. Step 4: Simplify right side
    13,714.66x = 161,384,967.38
  5. Step 5: Solve for x
    x = 161,384,967.38/13,714.66
  6. Step 6: Final answer
    x = 11,767.33

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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.