Home / 16,419.36-24,620.23-5,172.60

Finding the Fourth Proportional to 16,419.36, 24,620.23 and 5,172.60

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Solution

The fourth proportional to 16,419.36, 24,620.23 and 5,172.60 is: 7,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.36 : 24,620.23 = 5,172.60 : x
  2. Step 2: Convert to fraction form
    16,419.36/24,620.23 = 5,172.60/x
  3. Step 3: Cross multiply
    16,419.36x = 24,620.23 × 5,172.60
  4. Step 4: Simplify right side
    16,419.36x = 127,350,700.49
  5. Step 5: Solve for x
    x = 127,350,700.49/16,419.36
  6. Step 6: Final answer
    x = 7,756.13

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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.