Home / 14,953.35-20,635.69-8,238.65

Finding the Fourth Proportional to 14,953.35, 20,635.69 and 8,238.65

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Solution

The fourth proportional to 14,953.35, 20,635.69 and 8,238.65 is: 11,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.35 : 20,635.69 = 8,238.65 : x
  2. Step 2: Convert to fraction form
    14,953.35/20,635.69 = 8,238.65/x
  3. Step 3: Cross multiply
    14,953.35x = 20,635.69 × 8,238.65
  4. Step 4: Simplify right side
    14,953.35x = 170,010,258.41
  5. Step 5: Solve for x
    x = 170,010,258.41/14,953.35
  6. Step 6: Final answer
    x = 11,369.38

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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.