Home / 22,015.05-30,381.18-13,063.35

Finding the Fourth Proportional to 22,015.05, 30,381.18 and 13,063.35

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Solution

The fourth proportional to 22,015.05, 30,381.18 and 13,063.35 is: 18,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.05 : 30,381.18 = 13,063.35 : x
  2. Step 2: Convert to fraction form
    22,015.05/30,381.18 = 13,063.35/x
  3. Step 3: Cross multiply
    22,015.05x = 30,381.18 × 13,063.35
  4. Step 4: Simplify right side
    22,015.05x = 396,879,987.75
  5. Step 5: Solve for x
    x = 396,879,987.75/22,015.05
  6. Step 6: Final answer
    x = 18,027.67

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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.