Home / 22,176.39-30,603.38-14,218.62

Finding the Fourth Proportional to 22,176.39, 30,603.38 and 14,218.62

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Solution

The fourth proportional to 22,176.39, 30,603.38 and 14,218.62 is: 19,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.39 : 30,603.38 = 14,218.62 : x
  2. Step 2: Convert to fraction form
    22,176.39/30,603.38 = 14,218.62/x
  3. Step 3: Cross multiply
    22,176.39x = 30,603.38 × 14,218.62
  4. Step 4: Simplify right side
    22,176.39x = 435,137,830.94
  5. Step 5: Solve for x
    x = 435,137,830.94/22,176.39
  6. Step 6: Final answer
    x = 19,621.67

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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.