Home / 26,946.90-37,186.78-15,618.58

Finding the Fourth Proportional to 26,946.90, 37,186.78 and 15,618.58

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Solution

The fourth proportional to 26,946.90, 37,186.78 and 15,618.58 is: 21,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946.90 : 37,186.78 = 15,618.58 : x
  2. Step 2: Convert to fraction form
    26,946.90/37,186.78 = 15,618.58/x
  3. Step 3: Cross multiply
    26,946.90x = 37,186.78 × 15,618.58
  4. Step 4: Simplify right side
    26,946.90x = 580,804,698.37
  5. Step 5: Solve for x
    x = 580,804,698.37/26,946.90
  6. Step 6: Final answer
    x = 21,553.67

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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.