Home / 12,668.16-19,000.80-3,902.34

Finding the Fourth Proportional to 12,668.16, 19,000.80 and 3,902.34

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Solution

The fourth proportional to 12,668.16, 19,000.80 and 3,902.34 is: 5,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.16 : 19,000.80 = 3,902.34 : x
  2. Step 2: Convert to fraction form
    12,668.16/19,000.80 = 3,902.34/x
  3. Step 3: Cross multiply
    12,668.16x = 19,000.80 × 3,902.34
  4. Step 4: Simplify right side
    12,668.16x = 74,147,581.87
  5. Step 5: Solve for x
    x = 74,147,581.87/12,668.16
  6. Step 6: Final answer
    x = 5,853.07

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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.