Home / 23,421.56-35,137.04-8,630.55

Finding the Fourth Proportional to 23,421.56, 35,137.04 and 8,630.55

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Solution

The fourth proportional to 23,421.56, 35,137.04 and 8,630.55 is: 12,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.56 : 35,137.04 = 8,630.55 : x
  2. Step 2: Convert to fraction form
    23,421.56/35,137.04 = 8,630.55/x
  3. Step 3: Cross multiply
    23,421.56x = 35,137.04 × 8,630.55
  4. Step 4: Simplify right side
    23,421.56x = 303,251,937.42
  5. Step 5: Solve for x
    x = 303,251,937.42/23,421.56
  6. Step 6: Final answer
    x = 12,947.56

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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.