Home / 19,064.64-28,596.56-5,213.64

Finding the Fourth Proportional to 19,064.64, 28,596.56 and 5,213.64

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Solution

The fourth proportional to 19,064.64, 28,596.56 and 5,213.64 is: 7,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.64 : 28,596.56 = 5,213.64 : x
  2. Step 2: Convert to fraction form
    19,064.64/28,596.56 = 5,213.64/x
  3. Step 3: Cross multiply
    19,064.64x = 28,596.56 × 5,213.64
  4. Step 4: Simplify right side
    19,064.64x = 149,092,143.01
  5. Step 5: Solve for x
    x = 149,092,143.01/19,064.64
  6. Step 6: Final answer
    x = 7,820.35

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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.