Home / 14,520.40-20,038.60-8,233.04

Finding the Fourth Proportional to 14,520.40, 20,038.60 and 8,233.04

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Solution

The fourth proportional to 14,520.40, 20,038.60 and 8,233.04 is: 11,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.40 : 20,038.60 = 8,233.04 : x
  2. Step 2: Convert to fraction form
    14,520.40/20,038.60 = 8,233.04/x
  3. Step 3: Cross multiply
    14,520.40x = 20,038.60 × 8,233.04
  4. Step 4: Simplify right side
    14,520.40x = 164,978,595.34
  5. Step 5: Solve for x
    x = 164,978,595.34/14,520.40
  6. Step 6: Final answer
    x = 11,361.85

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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.