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Finding the Fourth Proportional to 14,899.19, 20,562.66 and 8,930.66

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Solution

The fourth proportional to 14,899.19, 20,562.66 and 8,930.66 is: 12,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.19 : 20,562.66 = 8,930.66 : x
  2. Step 2: Convert to fraction form
    14,899.19/20,562.66 = 8,930.66/x
  3. Step 3: Cross multiply
    14,899.19x = 20,562.66 × 8,930.66
  4. Step 4: Simplify right side
    14,899.19x = 183,638,022.34
  5. Step 5: Solve for x
    x = 183,638,022.34/14,899.19
  6. Step 6: Final answer
    x = 12,325.37

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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.