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Finding the Fourth Proportional to 14,938.16, 20,606.04 and 9,339.44

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Solution

The fourth proportional to 14,938.16, 20,606.04 and 9,339.44 is: 12,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.16 : 20,606.04 = 9,339.44 : x
  2. Step 2: Convert to fraction form
    14,938.16/20,606.04 = 9,339.44/x
  3. Step 3: Cross multiply
    14,938.16x = 20,606.04 × 9,339.44
  4. Step 4: Simplify right side
    14,938.16x = 192,448,771.19
  5. Step 5: Solve for x
    x = 192,448,771.19/14,938.16
  6. Step 6: Final answer
    x = 12,883.03

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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.