Home / 18,126.74-25,029.06-11,756.36

Finding the Fourth Proportional to 18,126.74, 25,029.06 and 11,756.36

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Solution

The fourth proportional to 18,126.74, 25,029.06 and 11,756.36 is: 16,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.74 : 25,029.06 = 11,756.36 : x
  2. Step 2: Convert to fraction form
    18,126.74/25,029.06 = 11,756.36/x
  3. Step 3: Cross multiply
    18,126.74x = 25,029.06 × 11,756.36
  4. Step 4: Simplify right side
    18,126.74x = 294,250,639.82
  5. Step 5: Solve for x
    x = 294,250,639.82/18,126.74
  6. Step 6: Final answer
    x = 16,232.96

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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.