Home / 15,915.76-23,874.86-4,823.38

Finding the Fourth Proportional to 15,915.76, 23,874.86 and 4,823.38

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Solution

The fourth proportional to 15,915.76, 23,874.86 and 4,823.38 is: 7,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.76 : 23,874.86 = 4,823.38 : x
  2. Step 2: Convert to fraction form
    15,915.76/23,874.86 = 4,823.38/x
  3. Step 3: Cross multiply
    15,915.76x = 23,874.86 × 4,823.38
  4. Step 4: Simplify right side
    15,915.76x = 115,157,522.23
  5. Step 5: Solve for x
    x = 115,157,522.23/15,915.76
  6. Step 6: Final answer
    x = 7,235.44

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1.5x scale

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.