Home / 16,968.49-23,415.90-9,415.15

Finding the Fourth Proportional to 16,968.49, 23,415.90 and 9,415.15

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Solution

The fourth proportional to 16,968.49, 23,415.90 and 9,415.15 is: 12,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.49 : 23,415.90 = 9,415.15 : x
  2. Step 2: Convert to fraction form
    16,968.49/23,415.90 = 9,415.15/x
  3. Step 3: Cross multiply
    16,968.49x = 23,415.90 × 9,415.15
  4. Step 4: Simplify right side
    16,968.49x = 220,464,210.89
  5. Step 5: Solve for x
    x = 220,464,210.89/16,968.49
  6. Step 6: Final answer
    x = 12,992.57

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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.