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Finding the Fourth Proportional to 14,354.85, 19,805.58 and 9,051.42

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Solution

The fourth proportional to 14,354.85, 19,805.58 and 9,051.42 is: 12,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.85 : 19,805.58 = 9,051.42 : x
  2. Step 2: Convert to fraction form
    14,354.85/19,805.58 = 9,051.42/x
  3. Step 3: Cross multiply
    14,354.85x = 19,805.58 × 9,051.42
  4. Step 4: Simplify right side
    14,354.85x = 179,268,622.92
  5. Step 5: Solve for x
    x = 179,268,622.92/14,354.85
  6. Step 6: Final answer
    x = 12,488.37

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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.