Home / 13,018.62-19,522.95-5,622.48

Finding the Fourth Proportional to 13,018.62, 19,522.95 and 5,622.48

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Solution

The fourth proportional to 13,018.62, 19,522.95 and 5,622.48 is: 8,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.62 : 19,522.95 = 5,622.48 : x
  2. Step 2: Convert to fraction form
    13,018.62/19,522.95 = 5,622.48/x
  3. Step 3: Cross multiply
    13,018.62x = 19,522.95 × 5,622.48
  4. Step 4: Simplify right side
    13,018.62x = 109,767,395.92
  5. Step 5: Solve for x
    x = 109,767,395.92/13,018.62
  6. Step 6: Final answer
    x = 8,431.57

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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.