Home / 16,860.24-25,289.28-5,172.48

Finding the Fourth Proportional to 16,860.24, 25,289.28 and 5,172.48

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Solution

The fourth proportional to 16,860.24, 25,289.28 and 5,172.48 is: 7,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.24 : 25,289.28 = 5,172.48 : x
  2. Step 2: Convert to fraction form
    16,860.24/25,289.28 = 5,172.48/x
  3. Step 3: Cross multiply
    16,860.24x = 25,289.28 × 5,172.48
  4. Step 4: Simplify right side
    16,860.24x = 130,808,295.01
  5. Step 5: Solve for x
    x = 130,808,295.01/16,860.24
  6. Step 6: Final answer
    x = 7,758.39

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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.