Home / 26,876.84-37,069.86-18,921.32

Finding the Fourth Proportional to 26,876.84, 37,069.86 and 18,921.32

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Solution

The fourth proportional to 26,876.84, 37,069.86 and 18,921.32 is: 26,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.84 : 37,069.86 = 18,921.32 : x
  2. Step 2: Convert to fraction form
    26,876.84/37,069.86 = 18,921.32/x
  3. Step 3: Cross multiply
    26,876.84x = 37,069.86 × 18,921.32
  4. Step 4: Simplify right side
    26,876.84x = 701,410,683.42
  5. Step 5: Solve for x
    x = 701,410,683.42/26,876.84
  6. Step 6: Final answer
    x = 26,097.22

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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.