Home / 14,158.92-19,539.94-8,190.84

Finding the Fourth Proportional to 14,158.92, 19,539.94 and 8,190.84

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Solution

The fourth proportional to 14,158.92, 19,539.94 and 8,190.84 is: 11,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.92 : 19,539.94 = 8,190.84 : x
  2. Step 2: Convert to fraction form
    14,158.92/19,539.94 = 8,190.84/x
  3. Step 3: Cross multiply
    14,158.92x = 19,539.94 × 8,190.84
  4. Step 4: Simplify right side
    14,158.92x = 160,048,522.15
  5. Step 5: Solve for x
    x = 160,048,522.15/14,158.92
  6. Step 6: Final answer
    x = 11,303.72

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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.