Home / 14,015.58-19,341.48-7,727.97

Finding the Fourth Proportional to 14,015.58, 19,341.48 and 7,727.97

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Solution

The fourth proportional to 14,015.58, 19,341.48 and 7,727.97 is: 10,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.58 : 19,341.48 = 7,727.97 : x
  2. Step 2: Convert to fraction form
    14,015.58/19,341.48 = 7,727.97/x
  3. Step 3: Cross multiply
    14,015.58x = 19,341.48 × 7,727.97
  4. Step 4: Simplify right side
    14,015.58x = 149,470,377.20
  5. Step 5: Solve for x
    x = 149,470,377.20/14,015.58
  6. Step 6: Final answer
    x = 10,664.59

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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.