Home / 14,188.49-21,295.86-7,173.45

Finding the Fourth Proportional to 14,188.49, 21,295.86 and 7,173.45

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Solution

The fourth proportional to 14,188.49, 21,295.86 and 7,173.45 is: 10,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.49 : 21,295.86 = 7,173.45 : x
  2. Step 2: Convert to fraction form
    14,188.49/21,295.86 = 7,173.45/x
  3. Step 3: Cross multiply
    14,188.49x = 21,295.86 × 7,173.45
  4. Step 4: Simplify right side
    14,188.49x = 152,764,644.57
  5. Step 5: Solve for x
    x = 152,764,644.57/14,188.49
  6. Step 6: Final answer
    x = 10,766.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.