Home / 14,690.54-20,266.35-9,908.92

Finding the Fourth Proportional to 14,690.54, 20,266.35 and 9,908.92

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Solution

The fourth proportional to 14,690.54, 20,266.35 and 9,908.92 is: 13,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.54 : 20,266.35 = 9,908.92 : x
  2. Step 2: Convert to fraction form
    14,690.54/20,266.35 = 9,908.92/x
  3. Step 3: Cross multiply
    14,690.54x = 20,266.35 × 9,908.92
  4. Step 4: Simplify right side
    14,690.54x = 200,817,629.02
  5. Step 5: Solve for x
    x = 200,817,629.02/14,690.54
  6. Step 6: Final answer
    x = 13,669.86

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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.