Home / 13,999.56-19,319.88-8,032.44

Finding the Fourth Proportional to 13,999.56, 19,319.88 and 8,032.44

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Solution

The fourth proportional to 13,999.56, 19,319.88 and 8,032.44 is: 11,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.56 : 19,319.88 = 8,032.44 : x
  2. Step 2: Convert to fraction form
    13,999.56/19,319.88 = 8,032.44/x
  3. Step 3: Cross multiply
    13,999.56x = 19,319.88 × 8,032.44
  4. Step 4: Simplify right side
    13,999.56x = 155,185,776.91
  5. Step 5: Solve for x
    x = 155,185,776.91/13,999.56
  6. Step 6: Final answer
    x = 11,085.05

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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.