Home / 13,041.60-19,562.40-8,108.70

Finding the Fourth Proportional to 13,041.60, 19,562.40 and 8,108.70

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Solution

The fourth proportional to 13,041.60, 19,562.40 and 8,108.70 is: 12,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.60 : 19,562.40 = 8,108.70 : x
  2. Step 2: Convert to fraction form
    13,041.60/19,562.40 = 8,108.70/x
  3. Step 3: Cross multiply
    13,041.60x = 19,562.40 × 8,108.70
  4. Step 4: Simplify right side
    13,041.60x = 158,625,632.88
  5. Step 5: Solve for x
    x = 158,625,632.88/13,041.60
  6. Step 6: Final answer
    x = 12,163.05

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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.