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Finding the Fourth Proportional to 14,896.61, 20,559.02 and 9,519.32

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Solution

The fourth proportional to 14,896.61, 20,559.02 and 9,519.32 is: 13,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,896.61 : 20,559.02 = 9,519.32 : x
  2. Step 2: Convert to fraction form
    14,896.61/20,559.02 = 9,519.32/x
  3. Step 3: Cross multiply
    14,896.61x = 20,559.02 × 9,519.32
  4. Step 4: Simplify right side
    14,896.61x = 195,707,894.07
  5. Step 5: Solve for x
    x = 195,707,894.07/14,896.61
  6. Step 6: Final answer
    x = 13,137.75

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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.