Home / 14,234.74-21,352.90-5,915.60

Finding the Fourth Proportional to 14,234.74, 21,352.90 and 5,915.60

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Solution

The fourth proportional to 14,234.74, 21,352.90 and 5,915.60 is: 8,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.74 : 21,352.90 = 5,915.60 : x
  2. Step 2: Convert to fraction form
    14,234.74/21,352.90 = 5,915.60/x
  3. Step 3: Cross multiply
    14,234.74x = 21,352.90 × 5,915.60
  4. Step 4: Simplify right side
    14,234.74x = 126,315,215.24
  5. Step 5: Solve for x
    x = 126,315,215.24/14,234.74
  6. Step 6: Final answer
    x = 8,873.73

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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.