Home / 27,197.50-40,800.57-12,406.30

Finding the Fourth Proportional to 27,197.50, 40,800.57 and 12,406.30

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Solution

The fourth proportional to 27,197.50, 40,800.57 and 12,406.30 is: 18,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.50 : 40,800.57 = 12,406.30 : x
  2. Step 2: Convert to fraction form
    27,197.50/40,800.57 = 12,406.30/x
  3. Step 3: Cross multiply
    27,197.50x = 40,800.57 × 12,406.30
  4. Step 4: Simplify right side
    27,197.50x = 506,184,111.59
  5. Step 5: Solve for x
    x = 506,184,111.59/27,197.50
  6. Step 6: Final answer
    x = 18,611.42

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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.