Home / 27,915.76-41,874.18-13,116.52

Finding the Fourth Proportional to 27,915.76, 41,874.18 and 13,116.52

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Solution

The fourth proportional to 27,915.76, 41,874.18 and 13,116.52 is: 19,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.76 : 41,874.18 = 13,116.52 : x
  2. Step 2: Convert to fraction form
    27,915.76/41,874.18 = 13,116.52/x
  3. Step 3: Cross multiply
    27,915.76x = 41,874.18 × 13,116.52
  4. Step 4: Simplify right side
    27,915.76x = 549,243,519.45
  5. Step 5: Solve for x
    x = 549,243,519.45/27,915.76
  6. Step 6: Final answer
    x = 19,675.03

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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.