Home / 14,215.39-19,625.26-9,857.59

Finding the Fourth Proportional to 14,215.39, 19,625.26 and 9,857.59

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Solution

The fourth proportional to 14,215.39, 19,625.26 and 9,857.59 is: 13,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.39 : 19,625.26 = 9,857.59 : x
  2. Step 2: Convert to fraction form
    14,215.39/19,625.26 = 9,857.59/x
  3. Step 3: Cross multiply
    14,215.39x = 19,625.26 × 9,857.59
  4. Step 4: Simplify right side
    14,215.39x = 193,457,766.72
  5. Step 5: Solve for x
    x = 193,457,766.72/14,215.39
  6. Step 6: Final answer
    x = 13,609.04

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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.