Home / 14,141.12-19,515.27-8,476.79

Finding the Fourth Proportional to 14,141.12, 19,515.27 and 8,476.79

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Solution

The fourth proportional to 14,141.12, 19,515.27 and 8,476.79 is: 11,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.12 : 19,515.27 = 8,476.79 : x
  2. Step 2: Convert to fraction form
    14,141.12/19,515.27 = 8,476.79/x
  3. Step 3: Cross multiply
    14,141.12x = 19,515.27 × 8,476.79
  4. Step 4: Simplify right side
    14,141.12x = 165,426,845.58
  5. Step 5: Solve for x
    x = 165,426,845.58/14,141.12
  6. Step 6: Final answer
    x = 11,698.28

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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.