Home / 14,115.42-19,464.12-11,901.69

Finding the Fourth Proportional to 14,115.42, 19,464.12 and 11,901.69

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Solution

The fourth proportional to 14,115.42, 19,464.12 and 11,901.69 is: 16,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.42 : 19,464.12 = 11,901.69 : x
  2. Step 2: Convert to fraction form
    14,115.42/19,464.12 = 11,901.69/x
  3. Step 3: Cross multiply
    14,115.42x = 19,464.12 × 11,901.69
  4. Step 4: Simplify right side
    14,115.42x = 231,655,922.36
  5. Step 5: Solve for x
    x = 231,655,922.36/14,115.42
  6. Step 6: Final answer
    x = 16,411.55

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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.