Home / 14,999.51-20,699.49-8,285.33

Finding the Fourth Proportional to 14,999.51, 20,699.49 and 8,285.33

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Solution

The fourth proportional to 14,999.51, 20,699.49 and 8,285.33 is: 11,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.51 : 20,699.49 = 8,285.33 : x
  2. Step 2: Convert to fraction form
    14,999.51/20,699.49 = 8,285.33/x
  3. Step 3: Cross multiply
    14,999.51x = 20,699.49 × 8,285.33
  4. Step 4: Simplify right side
    14,999.51x = 171,502,105.48
  5. Step 5: Solve for x
    x = 171,502,105.48/14,999.51
  6. Step 6: Final answer
    x = 11,433.85

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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.