Home / 14,051.18-19,390.59-8,082.71

Finding the Fourth Proportional to 14,051.18, 19,390.59 and 8,082.71

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Solution

The fourth proportional to 14,051.18, 19,390.59 and 8,082.71 is: 11,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.18 : 19,390.59 = 8,082.71 : x
  2. Step 2: Convert to fraction form
    14,051.18/19,390.59 = 8,082.71/x
  3. Step 3: Cross multiply
    14,051.18x = 19,390.59 × 8,082.71
  4. Step 4: Simplify right side
    14,051.18x = 156,728,418.75
  5. Step 5: Solve for x
    x = 156,728,418.75/14,051.18
  6. Step 6: Final answer
    x = 11,154.11

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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.