Home / 15,466.12-23,196.78-5,077.80

Finding the Fourth Proportional to 15,466.12, 23,196.78 and 5,077.80

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Solution

The fourth proportional to 15,466.12, 23,196.78 and 5,077.80 is: 7,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.12 : 23,196.78 = 5,077.80 : x
  2. Step 2: Convert to fraction form
    15,466.12/23,196.78 = 5,077.80/x
  3. Step 3: Cross multiply
    15,466.12x = 23,196.78 × 5,077.80
  4. Step 4: Simplify right side
    15,466.12x = 117,788,609.48
  5. Step 5: Solve for x
    x = 117,788,609.48/15,466.12
  6. Step 6: Final answer
    x = 7,615.91

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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.