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Finding the Fourth Proportional to 14,898.74, 20,559.42 and 8,927.42

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Solution

The fourth proportional to 14,898.74, 20,559.42 and 8,927.42 is: 12,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.74 : 20,559.42 = 8,927.42 : x
  2. Step 2: Convert to fraction form
    14,898.74/20,559.42 = 8,927.42/x
  3. Step 3: Cross multiply
    14,898.74x = 20,559.42 × 8,927.42
  4. Step 4: Simplify right side
    14,898.74x = 183,542,474.50
  5. Step 5: Solve for x
    x = 183,542,474.50/14,898.74
  6. Step 6: Final answer
    x = 12,319.33

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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.