Home / 22,267.81-30,730.05-12,196.68

Finding the Fourth Proportional to 22,267.81, 30,730.05 and 12,196.68

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Solution

The fourth proportional to 22,267.81, 30,730.05 and 12,196.68 is: 16,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.81 : 30,730.05 = 12,196.68 : x
  2. Step 2: Convert to fraction form
    22,267.81/30,730.05 = 12,196.68/x
  3. Step 3: Cross multiply
    22,267.81x = 30,730.05 × 12,196.68
  4. Step 4: Simplify right side
    22,267.81x = 374,804,471.00
  5. Step 5: Solve for x
    x = 374,804,471.00/22,267.81
  6. Step 6: Final answer
    x = 16,831.67

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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.