Home / 13,105.04-19,652.70-7,099.93

Finding the Fourth Proportional to 13,105.04, 19,652.70 and 7,099.93

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Solution

The fourth proportional to 13,105.04, 19,652.70 and 7,099.93 is: 10,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.04 : 19,652.70 = 7,099.93 : x
  2. Step 2: Convert to fraction form
    13,105.04/19,652.70 = 7,099.93/x
  3. Step 3: Cross multiply
    13,105.04x = 19,652.70 × 7,099.93
  4. Step 4: Simplify right side
    13,105.04x = 139,532,745.18
  5. Step 5: Solve for x
    x = 139,532,745.18/13,105.04
  6. Step 6: Final answer
    x = 10,647.26

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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.