Home / 18,212.28-24,968.96-17,880.12

Finding the Fourth Proportional to 18,212.28, 24,968.96 and 17,880.12

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Solution

The fourth proportional to 18,212.28, 24,968.96 and 17,880.12 is: 24,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.28 : 24,968.96 = 17,880.12 : x
  2. Step 2: Convert to fraction form
    18,212.28/24,968.96 = 17,880.12/x
  3. Step 3: Cross multiply
    18,212.28x = 24,968.96 × 17,880.12
  4. Step 4: Simplify right side
    18,212.28x = 446,448,001.08
  5. Step 5: Solve for x
    x = 446,448,001.08/18,212.28
  6. Step 6: Final answer
    x = 24,513.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.