Home / 14,704.47-20,289.88-8,735.98

Finding the Fourth Proportional to 14,704.47, 20,289.88 and 8,735.98

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Solution

The fourth proportional to 14,704.47, 20,289.88 and 8,735.98 is: 12,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.47 : 20,289.88 = 8,735.98 : x
  2. Step 2: Convert to fraction form
    14,704.47/20,289.88 = 8,735.98/x
  3. Step 3: Cross multiply
    14,704.47x = 20,289.88 × 8,735.98
  4. Step 4: Simplify right side
    14,704.47x = 177,251,985.88
  5. Step 5: Solve for x
    x = 177,251,985.88/14,704.47
  6. Step 6: Final answer
    x = 12,054.29

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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.