Home / 14,083.11-19,431.27-8,774.16

Finding the Fourth Proportional to 14,083.11, 19,431.27 and 8,774.16

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Solution

The fourth proportional to 14,083.11, 19,431.27 and 8,774.16 is: 12,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.11 : 19,431.27 = 8,774.16 : x
  2. Step 2: Convert to fraction form
    14,083.11/19,431.27 = 8,774.16/x
  3. Step 3: Cross multiply
    14,083.11x = 19,431.27 × 8,774.16
  4. Step 4: Simplify right side
    14,083.11x = 170,493,071.98
  5. Step 5: Solve for x
    x = 170,493,071.98/14,083.11
  6. Step 6: Final answer
    x = 12,106.21

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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.