Home / 13,941.30-20,883.70-6,900.07

Finding the Fourth Proportional to 13,941.30, 20,883.70 and 6,900.07

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Solution

The fourth proportional to 13,941.30, 20,883.70 and 6,900.07 is: 10,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.30 : 20,883.70 = 6,900.07 : x
  2. Step 2: Convert to fraction form
    13,941.30/20,883.70 = 6,900.07/x
  3. Step 3: Cross multiply
    13,941.30x = 20,883.70 × 6,900.07
  4. Step 4: Simplify right side
    13,941.30x = 144,098,991.86
  5. Step 5: Solve for x
    x = 144,098,991.86/13,941.30
  6. Step 6: Final answer
    x = 10,336.12

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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.