Home / 15,018.26-22,530.80-7,994.57

Finding the Fourth Proportional to 15,018.26, 22,530.80 and 7,994.57

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Solution

The fourth proportional to 15,018.26, 22,530.80 and 7,994.57 is: 11,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.26 : 22,530.80 = 7,994.57 : x
  2. Step 2: Convert to fraction form
    15,018.26/22,530.80 = 7,994.57/x
  3. Step 3: Cross multiply
    15,018.26x = 22,530.80 × 7,994.57
  4. Step 4: Simplify right side
    15,018.26x = 180,124,056.05
  5. Step 5: Solve for x
    x = 180,124,056.05/15,018.26
  6. Step 6: Final answer
    x = 11,993.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.