Home / 13,999.96-19,320.90-8,033.32

Finding the Fourth Proportional to 13,999.96, 19,320.90 and 8,033.32

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Solution

The fourth proportional to 13,999.96, 19,320.90 and 8,033.32 is: 11,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.96 : 19,320.90 = 8,033.32 : x
  2. Step 2: Convert to fraction form
    13,999.96/19,320.90 = 8,033.32/x
  3. Step 3: Cross multiply
    13,999.96x = 19,320.90 × 8,033.32
  4. Step 4: Simplify right side
    13,999.96x = 155,210,972.39
  5. Step 5: Solve for x
    x = 155,210,972.39/13,999.96
  6. Step 6: Final answer
    x = 11,086.53

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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.