Home / 14,181.35-21,243.36-7,151.59

Finding the Fourth Proportional to 14,181.35, 21,243.36 and 7,151.59

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Solution

The fourth proportional to 14,181.35, 21,243.36 and 7,151.59 is: 10,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.35 : 21,243.36 = 7,151.59 : x
  2. Step 2: Convert to fraction form
    14,181.35/21,243.36 = 7,151.59/x
  3. Step 3: Cross multiply
    14,181.35x = 21,243.36 × 7,151.59
  4. Step 4: Simplify right side
    14,181.35x = 151,923,854.32
  5. Step 5: Solve for x
    x = 151,923,854.32/14,181.35
  6. Step 6: Final answer
    x = 10,712.93

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1.5x scale

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.