Home / 15,696.42-23,542.01-5,166.55

Finding the Fourth Proportional to 15,696.42, 23,542.01 and 5,166.55

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Solution

The fourth proportional to 15,696.42, 23,542.01 and 5,166.55 is: 7,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.42 : 23,542.01 = 5,166.55 : x
  2. Step 2: Convert to fraction form
    15,696.42/23,542.01 = 5,166.55/x
  3. Step 3: Cross multiply
    15,696.42x = 23,542.01 × 5,166.55
  4. Step 4: Simplify right side
    15,696.42x = 121,630,971.77
  5. Step 5: Solve for x
    x = 121,630,971.77/15,696.42
  6. Step 6: Final answer
    x = 7,748.96

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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.