Home / 20,576.33-28,415.51-17,574.67

Finding the Fourth Proportional to 20,576.33, 28,415.51 and 17,574.67

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Solution

The fourth proportional to 20,576.33, 28,415.51 and 17,574.67 is: 24,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.33 : 28,415.51 = 17,574.67 : x
  2. Step 2: Convert to fraction form
    20,576.33/28,415.51 = 17,574.67/x
  3. Step 3: Cross multiply
    20,576.33x = 28,415.51 × 17,574.67
  4. Step 4: Simplify right side
    20,576.33x = 499,393,224.68
  5. Step 5: Solve for x
    x = 499,393,224.68/20,576.33
  6. Step 6: Final answer
    x = 24,270.28

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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.