Home / 13,999.80-19,323.56-8,032.02

Finding the Fourth Proportional to 13,999.80, 19,323.56 and 8,032.02

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Solution

The fourth proportional to 13,999.80, 19,323.56 and 8,032.02 is: 11,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.80 : 19,323.56 = 8,032.02 : x
  2. Step 2: Convert to fraction form
    13,999.80/19,323.56 = 8,032.02/x
  3. Step 3: Cross multiply
    13,999.80x = 19,323.56 × 8,032.02
  4. Step 4: Simplify right side
    13,999.80x = 155,207,220.39
  5. Step 5: Solve for x
    x = 155,207,220.39/13,999.80
  6. Step 6: Final answer
    x = 11,086.39

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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.