Home / 19,939.14-29,915.64-8,853.60

Finding the Fourth Proportional to 19,939.14, 29,915.64 and 8,853.60

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Solution

The fourth proportional to 19,939.14, 29,915.64 and 8,853.60 is: 13,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.14 : 29,915.64 = 8,853.60 : x
  2. Step 2: Convert to fraction form
    19,939.14/29,915.64 = 8,853.60/x
  3. Step 3: Cross multiply
    19,939.14x = 29,915.64 × 8,853.60
  4. Step 4: Simplify right side
    19,939.14x = 264,861,110.30
  5. Step 5: Solve for x
    x = 264,861,110.30/19,939.14
  6. Step 6: Final answer
    x = 13,283.48

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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.