Home / 13,924.26-19,216.50-7,955.80

Finding the Fourth Proportional to 13,924.26, 19,216.50 and 7,955.80

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Solution

The fourth proportional to 13,924.26, 19,216.50 and 7,955.80 is: 10,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.26 : 19,216.50 = 7,955.80 : x
  2. Step 2: Convert to fraction form
    13,924.26/19,216.50 = 7,955.80/x
  3. Step 3: Cross multiply
    13,924.26x = 19,216.50 × 7,955.80
  4. Step 4: Simplify right side
    13,924.26x = 152,882,590.92
  5. Step 5: Solve for x
    x = 152,882,590.92/13,924.26
  6. Step 6: Final answer
    x = 10,979.58

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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.