Home / 18,696.42-28,044.48-4,656.34

Finding the Fourth Proportional to 18,696.42, 28,044.48 and 4,656.34

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Solution

The fourth proportional to 18,696.42, 28,044.48 and 4,656.34 is: 6,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.42 : 28,044.48 = 4,656.34 : x
  2. Step 2: Convert to fraction form
    18,696.42/28,044.48 = 4,656.34/x
  3. Step 3: Cross multiply
    18,696.42x = 28,044.48 × 4,656.34
  4. Step 4: Simplify right side
    18,696.42x = 130,584,502.58
  5. Step 5: Solve for x
    x = 130,584,502.58/18,696.42
  6. Step 6: Final answer
    x = 6,984.47

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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.