Home / 27,161.46-37,480.74-15,222.51

Finding the Fourth Proportional to 27,161.46, 37,480.74 and 15,222.51

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Solution

The fourth proportional to 27,161.46, 37,480.74 and 15,222.51 is: 21,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.46 : 37,480.74 = 15,222.51 : x
  2. Step 2: Convert to fraction form
    27,161.46/37,480.74 = 15,222.51/x
  3. Step 3: Cross multiply
    27,161.46x = 37,480.74 × 15,222.51
  4. Step 4: Simplify right side
    27,161.46x = 570,550,939.46
  5. Step 5: Solve for x
    x = 570,550,939.46/27,161.46
  6. Step 6: Final answer
    x = 21,005.90

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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.