Home / 14,829.40-20,469.80-9,168.52

Finding the Fourth Proportional to 14,829.40, 20,469.80 and 9,168.52

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Solution

The fourth proportional to 14,829.40, 20,469.80 and 9,168.52 is: 12,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.40 : 20,469.80 = 9,168.52 : x
  2. Step 2: Convert to fraction form
    14,829.40/20,469.80 = 9,168.52/x
  3. Step 3: Cross multiply
    14,829.40x = 20,469.80 × 9,168.52
  4. Step 4: Simplify right side
    14,829.40x = 187,677,622.50
  5. Step 5: Solve for x
    x = 187,677,622.50/14,829.40
  6. Step 6: Final answer
    x = 12,655.78

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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.