Home / 14,974.61-20,664.86-8,260.52

Finding the Fourth Proportional to 14,974.61, 20,664.86 and 8,260.52

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Solution

The fourth proportional to 14,974.61, 20,664.86 and 8,260.52 is: 11,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.61 : 20,664.86 = 8,260.52 : x
  2. Step 2: Convert to fraction form
    14,974.61/20,664.86 = 8,260.52/x
  3. Step 3: Cross multiply
    14,974.61x = 20,664.86 × 8,260.52
  4. Step 4: Simplify right side
    14,974.61x = 170,702,344.70
  5. Step 5: Solve for x
    x = 170,702,344.70/14,974.61
  6. Step 6: Final answer
    x = 11,399.46

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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.