Home / 16,975.20-23,433.82-11,319.40

Finding the Fourth Proportional to 16,975.20, 23,433.82 and 11,319.40

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Solution

The fourth proportional to 16,975.20, 23,433.82 and 11,319.40 is: 15,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.20 : 23,433.82 = 11,319.40 : x
  2. Step 2: Convert to fraction form
    16,975.20/23,433.82 = 11,319.40/x
  3. Step 3: Cross multiply
    16,975.20x = 23,433.82 × 11,319.40
  4. Step 4: Simplify right side
    16,975.20x = 265,256,782.11
  5. Step 5: Solve for x
    x = 265,256,782.11/16,975.20
  6. Step 6: Final answer
    x = 15,626.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.