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Finding the Fourth Proportional to 14,469.01, 19,931.49 and 12,337.60

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Solution

The fourth proportional to 14,469.01, 19,931.49 and 12,337.60 is: 16,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.01 : 19,931.49 = 12,337.60 : x
  2. Step 2: Convert to fraction form
    14,469.01/19,931.49 = 12,337.60/x
  3. Step 3: Cross multiply
    14,469.01x = 19,931.49 × 12,337.60
  4. Step 4: Simplify right side
    14,469.01x = 245,906,751.02
  5. Step 5: Solve for x
    x = 245,906,751.02/14,469.01
  6. Step 6: Final answer
    x = 16,995.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.