Home / 14,006.08-19,330.88-8,968.80

Finding the Fourth Proportional to 14,006.08, 19,330.88 and 8,968.80

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Solution

The fourth proportional to 14,006.08, 19,330.88 and 8,968.80 is: 12,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.08 : 19,330.88 = 8,968.80 : x
  2. Step 2: Convert to fraction form
    14,006.08/19,330.88 = 8,968.80/x
  3. Step 3: Cross multiply
    14,006.08x = 19,330.88 × 8,968.80
  4. Step 4: Simplify right side
    14,006.08x = 173,374,796.54
  5. Step 5: Solve for x
    x = 173,374,796.54/14,006.08
  6. Step 6: Final answer
    x = 12,378.54

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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.