Home / 14,115.39-19,434.90-11,986.44

Finding the Fourth Proportional to 14,115.39, 19,434.90 and 11,986.44

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Solution

The fourth proportional to 14,115.39, 19,434.90 and 11,986.44 is: 16,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.39 : 19,434.90 = 11,986.44 : x
  2. Step 2: Convert to fraction form
    14,115.39/19,434.90 = 11,986.44/x
  3. Step 3: Cross multiply
    14,115.39x = 19,434.90 × 11,986.44
  4. Step 4: Simplify right side
    14,115.39x = 232,955,262.76
  5. Step 5: Solve for x
    x = 232,955,262.76/14,115.39
  6. Step 6: Final answer
    x = 16,503.64

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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.