Home / 14,104.29-19,458.71-8,439.17

Finding the Fourth Proportional to 14,104.29, 19,458.71 and 8,439.17

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Solution

The fourth proportional to 14,104.29, 19,458.71 and 8,439.17 is: 11,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.29 : 19,458.71 = 8,439.17 : x
  2. Step 2: Convert to fraction form
    14,104.29/19,458.71 = 8,439.17/x
  3. Step 3: Cross multiply
    14,104.29x = 19,458.71 × 8,439.17
  4. Step 4: Simplify right side
    14,104.29x = 164,215,361.67
  5. Step 5: Solve for x
    x = 164,215,361.67/14,104.29
  6. Step 6: Final answer
    x = 11,642.94

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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.