Home / 34,137.29-51,222.15-15,423.05

Finding the Fourth Proportional to 34,137.29, 51,222.15 and 15,423.05

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Solution

The fourth proportional to 34,137.29, 51,222.15 and 15,423.05 is: 23,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,137.29 : 51,222.15 = 15,423.05 : x
  2. Step 2: Convert to fraction form
    34,137.29/51,222.15 = 15,423.05/x
  3. Step 3: Cross multiply
    34,137.29x = 51,222.15 × 15,423.05
  4. Step 4: Simplify right side
    34,137.29x = 790,001,524.45
  5. Step 5: Solve for x
    x = 790,001,524.45/34,137.29
  6. Step 6: Final answer
    x = 23,141.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.