Home / 16,968.20-23,428.25-11,316.28

Finding the Fourth Proportional to 16,968.20, 23,428.25 and 11,316.28

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Solution

The fourth proportional to 16,968.20, 23,428.25 and 11,316.28 is: 15,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.20 : 23,428.25 = 11,316.28 : x
  2. Step 2: Convert to fraction form
    16,968.20/23,428.25 = 11,316.28/x
  3. Step 3: Cross multiply
    16,968.20x = 23,428.25 × 11,316.28
  4. Step 4: Simplify right side
    16,968.20x = 265,120,636.91
  5. Step 5: Solve for x
    x = 265,120,636.91/16,968.20
  6. Step 6: Final answer
    x = 15,624.56

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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.