Home / 13,924.98-19,188.75-9,934.86

Finding the Fourth Proportional to 13,924.98, 19,188.75 and 9,934.86

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Solution

The fourth proportional to 13,924.98, 19,188.75 and 9,934.86 is: 13,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.98 : 19,188.75 = 9,934.86 : x
  2. Step 2: Convert to fraction form
    13,924.98/19,188.75 = 9,934.86/x
  3. Step 3: Cross multiply
    13,924.98x = 19,188.75 × 9,934.86
  4. Step 4: Simplify right side
    13,924.98x = 190,637,544.83
  5. Step 5: Solve for x
    x = 190,637,544.83/13,924.98
  6. Step 6: Final answer
    x = 13,690.33

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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.