Home / 15,399.99-23,119.11-15,328.92

Finding the Fourth Proportional to 15,399.99, 23,119.11 and 15,328.92

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Solution

The fourth proportional to 15,399.99, 23,119.11 and 15,328.92 is: 23,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.99 : 23,119.11 = 15,328.92 : x
  2. Step 2: Convert to fraction form
    15,399.99/23,119.11 = 15,328.92/x
  3. Step 3: Cross multiply
    15,399.99x = 23,119.11 × 15,328.92
  4. Step 4: Simplify right side
    15,399.99x = 354,390,987.66
  5. Step 5: Solve for x
    x = 354,390,987.66/15,399.99
  6. Step 6: Final answer
    x = 23,012.42

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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.