Home / 14,523.40-21,756.30-8,662.60

Finding the Fourth Proportional to 14,523.40, 21,756.30 and 8,662.60

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Solution

The fourth proportional to 14,523.40, 21,756.30 and 8,662.60 is: 12,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.40 : 21,756.30 = 8,662.60 : x
  2. Step 2: Convert to fraction form
    14,523.40/21,756.30 = 8,662.60/x
  3. Step 3: Cross multiply
    14,523.40x = 21,756.30 × 8,662.60
  4. Step 4: Simplify right side
    14,523.40x = 188,466,124.38
  5. Step 5: Solve for x
    x = 188,466,124.38/14,523.40
  6. Step 6: Final answer
    x = 12,976.72

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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.