Home / 19,688.03-27,152.73-16,636.83

Finding the Fourth Proportional to 19,688.03, 27,152.73 and 16,636.83

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Solution

The fourth proportional to 19,688.03, 27,152.73 and 16,636.83 is: 22,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.03 : 27,152.73 = 16,636.83 : x
  2. Step 2: Convert to fraction form
    19,688.03/27,152.73 = 16,636.83/x
  3. Step 3: Cross multiply
    19,688.03x = 27,152.73 × 16,636.83
  4. Step 4: Simplify right side
    19,688.03x = 451,735,251.22
  5. Step 5: Solve for x
    x = 451,735,251.22/19,688.03
  6. Step 6: Final answer
    x = 22,944.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.