Home / 26,948.34-37,190.79-15,621.48

Finding the Fourth Proportional to 26,948.34, 37,190.79 and 15,621.48

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Solution

The fourth proportional to 26,948.34, 37,190.79 and 15,621.48 is: 21,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.34 : 37,190.79 = 15,621.48 : x
  2. Step 2: Convert to fraction form
    26,948.34/37,190.79 = 15,621.48/x
  3. Step 3: Cross multiply
    26,948.34x = 37,190.79 × 15,621.48
  4. Step 4: Simplify right side
    26,948.34x = 580,975,182.17
  5. Step 5: Solve for x
    x = 580,975,182.17/26,948.34
  6. Step 6: Final answer
    x = 21,558.85

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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.