Home / 26,846.12-40,270.02-12,807.68

Finding the Fourth Proportional to 26,846.12, 40,270.02 and 12,807.68

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Solution

The fourth proportional to 26,846.12, 40,270.02 and 12,807.68 is: 19,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,846.12 : 40,270.02 = 12,807.68 : x
  2. Step 2: Convert to fraction form
    26,846.12/40,270.02 = 12,807.68/x
  3. Step 3: Cross multiply
    26,846.12x = 40,270.02 × 12,807.68
  4. Step 4: Simplify right side
    26,846.12x = 515,765,529.75
  5. Step 5: Solve for x
    x = 515,765,529.75/26,846.12
  6. Step 6: Final answer
    x = 19,211.92

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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.