Home / 14,357.21-19,811.96-7,983.29

Finding the Fourth Proportional to 14,357.21, 19,811.96 and 7,983.29

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Solution

The fourth proportional to 14,357.21, 19,811.96 and 7,983.29 is: 11,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.21 : 19,811.96 = 7,983.29 : x
  2. Step 2: Convert to fraction form
    14,357.21/19,811.96 = 7,983.29/x
  3. Step 3: Cross multiply
    14,357.21x = 19,811.96 × 7,983.29
  4. Step 4: Simplify right side
    14,357.21x = 158,164,582.23
  5. Step 5: Solve for x
    x = 158,164,582.23/14,357.21
  6. Step 6: Final answer
    x = 11,016.39

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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.