Home / 14,253.15-19,670.31-8,284.80

Finding the Fourth Proportional to 14,253.15, 19,670.31 and 8,284.80

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Solution

The fourth proportional to 14,253.15, 19,670.31 and 8,284.80 is: 11,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.15 : 19,670.31 = 8,284.80 : x
  2. Step 2: Convert to fraction form
    14,253.15/19,670.31 = 8,284.80/x
  3. Step 3: Cross multiply
    14,253.15x = 19,670.31 × 8,284.80
  4. Step 4: Simplify right side
    14,253.15x = 162,964,584.29
  5. Step 5: Solve for x
    x = 162,964,584.29/14,253.15
  6. Step 6: Final answer
    x = 11,433.58

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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.