Home / 26,712.69-40,071.35-6,991.23

Finding the Fourth Proportional to 26,712.69, 40,071.35 and 6,991.23

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Solution

The fourth proportional to 26,712.69, 40,071.35 and 6,991.23 is: 10,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.69 : 40,071.35 = 6,991.23 : x
  2. Step 2: Convert to fraction form
    26,712.69/40,071.35 = 6,991.23/x
  3. Step 3: Cross multiply
    26,712.69x = 40,071.35 × 6,991.23
  4. Step 4: Simplify right side
    26,712.69x = 280,147,989.30
  5. Step 5: Solve for x
    x = 280,147,989.30/26,712.69
  6. Step 6: Final answer
    x = 10,487.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.