Home / 13,172.04-19,760.76-4,407.03

Finding the Fourth Proportional to 13,172.04, 19,760.76 and 4,407.03

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Solution

The fourth proportional to 13,172.04, 19,760.76 and 4,407.03 is: 6,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.04 : 19,760.76 = 4,407.03 : x
  2. Step 2: Convert to fraction form
    13,172.04/19,760.76 = 4,407.03/x
  3. Step 3: Cross multiply
    13,172.04x = 19,760.76 × 4,407.03
  4. Step 4: Simplify right side
    13,172.04x = 87,086,262.14
  5. Step 5: Solve for x
    x = 87,086,262.14/13,172.04
  6. Step 6: Final answer
    x = 6,611.45

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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.