Home / 13,910.15-19,185.44-10,076.18

Finding the Fourth Proportional to 13,910.15, 19,185.44 and 10,076.18

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Solution

The fourth proportional to 13,910.15, 19,185.44 and 10,076.18 is: 13,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.15 : 19,185.44 = 10,076.18 : x
  2. Step 2: Convert to fraction form
    13,910.15/19,185.44 = 10,076.18/x
  3. Step 3: Cross multiply
    13,910.15x = 19,185.44 × 10,076.18
  4. Step 4: Simplify right side
    13,910.15x = 193,315,946.82
  5. Step 5: Solve for x
    x = 193,315,946.82/13,910.15
  6. Step 6: Final answer
    x = 13,897.47

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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.