Home / 13,573.83-20,453.22-11,162.67

Finding the Fourth Proportional to 13,573.83, 20,453.22 and 11,162.67

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Solution

The fourth proportional to 13,573.83, 20,453.22 and 11,162.67 is: 16,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.83 : 20,453.22 = 11,162.67 : x
  2. Step 2: Convert to fraction form
    13,573.83/20,453.22 = 11,162.67/x
  3. Step 3: Cross multiply
    13,573.83x = 20,453.22 × 11,162.67
  4. Step 4: Simplify right side
    13,573.83x = 228,312,545.30
  5. Step 5: Solve for x
    x = 228,312,545.30/13,573.83
  6. Step 6: Final answer
    x = 16,820.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.