Home / 14,751.30-20,357.29-8,036.61

Finding the Fourth Proportional to 14,751.30, 20,357.29 and 8,036.61

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Solution

The fourth proportional to 14,751.30, 20,357.29 and 8,036.61 is: 11,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.30 : 20,357.29 = 8,036.61 : x
  2. Step 2: Convert to fraction form
    14,751.30/20,357.29 = 8,036.61/x
  3. Step 3: Cross multiply
    14,751.30x = 20,357.29 × 8,036.61
  4. Step 4: Simplify right side
    14,751.30x = 163,603,600.39
  5. Step 5: Solve for x
    x = 163,603,600.39/14,751.30
  6. Step 6: Final answer
    x = 11,090.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.