Home / 14,464.50-19,963.74-8,176.86

Finding the Fourth Proportional to 14,464.50, 19,963.74 and 8,176.86

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Solution

The fourth proportional to 14,464.50, 19,963.74 and 8,176.86 is: 11,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.50 : 19,963.74 = 8,176.86 : x
  2. Step 2: Convert to fraction form
    14,464.50/19,963.74 = 8,176.86/x
  3. Step 3: Cross multiply
    14,464.50x = 19,963.74 × 8,176.86
  4. Step 4: Simplify right side
    14,464.50x = 163,240,707.06
  5. Step 5: Solve for x
    x = 163,240,707.06/14,464.50
  6. Step 6: Final answer
    x = 11,285.61

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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.