Home / 14,655.06-20,223.68-7,940.43

Finding the Fourth Proportional to 14,655.06, 20,223.68 and 7,940.43

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Solution

The fourth proportional to 14,655.06, 20,223.68 and 7,940.43 is: 10,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.06 : 20,223.68 = 7,940.43 : x
  2. Step 2: Convert to fraction form
    14,655.06/20,223.68 = 7,940.43/x
  3. Step 3: Cross multiply
    14,655.06x = 20,223.68 × 7,940.43
  4. Step 4: Simplify right side
    14,655.06x = 160,584,675.68
  5. Step 5: Solve for x
    x = 160,584,675.68/14,655.06
  6. Step 6: Final answer
    x = 10,957.63

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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.