Home / 29,815.96-41,143.35-16,387.06

Finding the Fourth Proportional to 29,815.96, 41,143.35 and 16,387.06

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Solution

The fourth proportional to 29,815.96, 41,143.35 and 16,387.06 is: 22,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.96 : 41,143.35 = 16,387.06 : x
  2. Step 2: Convert to fraction form
    29,815.96/41,143.35 = 16,387.06/x
  3. Step 3: Cross multiply
    29,815.96x = 41,143.35 × 16,387.06
  4. Step 4: Simplify right side
    29,815.96x = 674,218,545.05
  5. Step 5: Solve for x
    x = 674,218,545.05/29,815.96
  6. Step 6: Final answer
    x = 22,612.67

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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.