Home / 14,039.91-21,066.45-6,141.42

Finding the Fourth Proportional to 14,039.91, 21,066.45 and 6,141.42

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Solution

The fourth proportional to 14,039.91, 21,066.45 and 6,141.42 is: 9,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.91 : 21,066.45 = 6,141.42 : x
  2. Step 2: Convert to fraction form
    14,039.91/21,066.45 = 6,141.42/x
  3. Step 3: Cross multiply
    14,039.91x = 21,066.45 × 6,141.42
  4. Step 4: Simplify right side
    14,039.91x = 129,377,917.36
  5. Step 5: Solve for x
    x = 129,377,917.36/14,039.91
  6. Step 6: Final answer
    x = 9,215.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.