Home / 19,230.12-26,522.64-12,153.96

Finding the Fourth Proportional to 19,230.12, 26,522.64 and 12,153.96

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Solution

The fourth proportional to 19,230.12, 26,522.64 and 12,153.96 is: 16,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.12 : 26,522.64 = 12,153.96 : x
  2. Step 2: Convert to fraction form
    19,230.12/26,522.64 = 12,153.96/x
  3. Step 3: Cross multiply
    19,230.12x = 26,522.64 × 12,153.96
  4. Step 4: Simplify right side
    19,230.12x = 322,355,105.65
  5. Step 5: Solve for x
    x = 322,355,105.65/19,230.12
  6. Step 6: Final answer
    x = 16,763.03

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Similar ratio
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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.