Home / 34,615.20-47,768.94-18,699.65

Finding the Fourth Proportional to 34,615.20, 47,768.94 and 18,699.65

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Solution

The fourth proportional to 34,615.20, 47,768.94 and 18,699.65 is: 25,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.20 : 47,768.94 = 18,699.65 : x
  2. Step 2: Convert to fraction form
    34,615.20/47,768.94 = 18,699.65/x
  3. Step 3: Cross multiply
    34,615.20x = 47,768.94 × 18,699.65
  4. Step 4: Simplify right side
    34,615.20x = 893,262,458.87
  5. Step 5: Solve for x
    x = 893,262,458.87/34,615.20
  6. Step 6: Final answer
    x = 25,805.50

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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.