Home / 13,862.24-20,790.12-6,835.04

Finding the Fourth Proportional to 13,862.24, 20,790.12 and 6,835.04

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Solution

The fourth proportional to 13,862.24, 20,790.12 and 6,835.04 is: 10,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.24 : 20,790.12 = 6,835.04 : x
  2. Step 2: Convert to fraction form
    13,862.24/20,790.12 = 6,835.04/x
  3. Step 3: Cross multiply
    13,862.24x = 20,790.12 × 6,835.04
  4. Step 4: Simplify right side
    13,862.24x = 142,101,301.80
  5. Step 5: Solve for x
    x = 142,101,301.80/13,862.24
  6. Step 6: Final answer
    x = 10,250.96

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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.