Home / 14,712.33-20,302.80-7,997.77

Finding the Fourth Proportional to 14,712.33, 20,302.80 and 7,997.77

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Solution

The fourth proportional to 14,712.33, 20,302.80 and 7,997.77 is: 11,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.33 : 20,302.80 = 7,997.77 : x
  2. Step 2: Convert to fraction form
    14,712.33/20,302.80 = 7,997.77/x
  3. Step 3: Cross multiply
    14,712.33x = 20,302.80 × 7,997.77
  4. Step 4: Simplify right side
    14,712.33x = 162,377,023.24
  5. Step 5: Solve for x
    x = 162,377,023.24/14,712.33
  6. Step 6: Final answer
    x = 11,036.80

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1.5x scale

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.