Home / 18,985.98-26,202.91-13,951.92

Finding the Fourth Proportional to 18,985.98, 26,202.91 and 13,951.92

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Solution

The fourth proportional to 18,985.98, 26,202.91 and 13,951.92 is: 19,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.98 : 26,202.91 = 13,951.92 : x
  2. Step 2: Convert to fraction form
    18,985.98/26,202.91 = 13,951.92/x
  3. Step 3: Cross multiply
    18,985.98x = 26,202.91 × 13,951.92
  4. Step 4: Simplify right side
    18,985.98x = 365,580,904.09
  5. Step 5: Solve for x
    x = 365,580,904.09/18,985.98
  6. Step 6: Final answer
    x = 19,255.31

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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.