Home / 34,338.20-51,482.70-13,260.20

Finding the Fourth Proportional to 34,338.20, 51,482.70 and 13,260.20

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Solution

The fourth proportional to 34,338.20, 51,482.70 and 13,260.20 is: 19,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.20 : 51,482.70 = 13,260.20 : x
  2. Step 2: Convert to fraction form
    34,338.20/51,482.70 = 13,260.20/x
  3. Step 3: Cross multiply
    34,338.20x = 51,482.70 × 13,260.20
  4. Step 4: Simplify right side
    34,338.20x = 682,670,898.54
  5. Step 5: Solve for x
    x = 682,670,898.54/34,338.20
  6. Step 6: Final answer
    x = 19,880.80

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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.