Home / 16,968.70-23,428.95-11,316.79

Finding the Fourth Proportional to 16,968.70, 23,428.95 and 11,316.79

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Solution

The fourth proportional to 16,968.70, 23,428.95 and 11,316.79 is: 15,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.70 : 23,428.95 = 11,316.79 : x
  2. Step 2: Convert to fraction form
    16,968.70/23,428.95 = 11,316.79/x
  3. Step 3: Cross multiply
    16,968.70x = 23,428.95 × 11,316.79
  4. Step 4: Simplify right side
    16,968.70x = 265,140,507.07
  5. Step 5: Solve for x
    x = 265,140,507.07/16,968.70
  6. Step 6: Final answer
    x = 15,625.27

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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.