Home / 14,115.84-19,569.06-13,366.83

Finding the Fourth Proportional to 14,115.84, 19,569.06 and 13,366.83

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Solution

The fourth proportional to 14,115.84, 19,569.06 and 13,366.83 is: 18,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.84 : 19,569.06 = 13,366.83 : x
  2. Step 2: Convert to fraction form
    14,115.84/19,569.06 = 13,366.83/x
  3. Step 3: Cross multiply
    14,115.84x = 19,569.06 × 13,366.83
  4. Step 4: Simplify right side
    14,115.84x = 261,576,298.28
  5. Step 5: Solve for x
    x = 261,576,298.28/14,115.84
  6. Step 6: Final answer
    x = 18,530.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.