Home / 14,655.03-20,223.90-7,940.83

Finding the Fourth Proportional to 14,655.03, 20,223.90 and 7,940.83

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Solution

The fourth proportional to 14,655.03, 20,223.90 and 7,940.83 is: 10,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.03 : 20,223.90 = 7,940.83 : x
  2. Step 2: Convert to fraction form
    14,655.03/20,223.90 = 7,940.83/x
  3. Step 3: Cross multiply
    14,655.03x = 20,223.90 × 7,940.83
  4. Step 4: Simplify right side
    14,655.03x = 160,594,551.84
  5. Step 5: Solve for x
    x = 160,594,551.84/14,655.03
  6. Step 6: Final answer
    x = 10,958.32

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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.