Home / 18,512.12-25,528.53-16,975.42

Finding the Fourth Proportional to 18,512.12, 25,528.53 and 16,975.42

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Solution

The fourth proportional to 18,512.12, 25,528.53 and 16,975.42 is: 23,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.12 : 25,528.53 = 16,975.42 : x
  2. Step 2: Convert to fraction form
    18,512.12/25,528.53 = 16,975.42/x
  3. Step 3: Cross multiply
    18,512.12x = 25,528.53 × 16,975.42
  4. Step 4: Simplify right side
    18,512.12x = 433,357,391.25
  5. Step 5: Solve for x
    x = 433,357,391.25/18,512.12
  6. Step 6: Final answer
    x = 23,409.38

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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.