Home / 26,945.51-37,184.78-15,621.58

Finding the Fourth Proportional to 26,945.51, 37,184.78 and 15,621.58

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Solution

The fourth proportional to 26,945.51, 37,184.78 and 15,621.58 is: 21,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.51 : 37,184.78 = 15,621.58 : x
  2. Step 2: Convert to fraction form
    26,945.51/37,184.78 = 15,621.58/x
  3. Step 3: Cross multiply
    26,945.51x = 37,184.78 × 15,621.58
  4. Step 4: Simplify right side
    26,945.51x = 580,885,015.55
  5. Step 5: Solve for x
    x = 580,885,015.55/26,945.51
  6. Step 6: Final answer
    x = 21,557.77

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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.