Home / 13,750.03-20,625.04-7,174.67

Finding the Fourth Proportional to 13,750.03, 20,625.04 and 7,174.67

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Solution

The fourth proportional to 13,750.03, 20,625.04 and 7,174.67 is: 10,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.03 : 20,625.04 = 7,174.67 : x
  2. Step 2: Convert to fraction form
    13,750.03/20,625.04 = 7,174.67/x
  3. Step 3: Cross multiply
    13,750.03x = 20,625.04 × 7,174.67
  4. Step 4: Simplify right side
    13,750.03x = 147,977,889.36
  5. Step 5: Solve for x
    x = 147,977,889.36/13,750.03
  6. Step 6: Final answer
    x = 10,762.01

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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.