Home / 34,712.20-47,902.75-18,796.65

Finding the Fourth Proportional to 34,712.20, 47,902.75 and 18,796.65

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Solution

The fourth proportional to 34,712.20, 47,902.75 and 18,796.65 is: 25,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,712.20 : 47,902.75 = 18,796.65 : x
  2. Step 2: Convert to fraction form
    34,712.20/47,902.75 = 18,796.65/x
  3. Step 3: Cross multiply
    34,712.20x = 47,902.75 × 18,796.65
  4. Step 4: Simplify right side
    34,712.20x = 900,411,225.79
  5. Step 5: Solve for x
    x = 900,411,225.79/34,712.20
  6. Step 6: Final answer
    x = 25,939.33

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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.