Home / 20,567.56-30,853.90-7,237.41

Finding the Fourth Proportional to 20,567.56, 30,853.90 and 7,237.41

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Solution

The fourth proportional to 20,567.56, 30,853.90 and 7,237.41 is: 10,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.56 : 30,853.90 = 7,237.41 : x
  2. Step 2: Convert to fraction form
    20,567.56/30,853.90 = 7,237.41/x
  3. Step 3: Cross multiply
    20,567.56x = 30,853.90 × 7,237.41
  4. Step 4: Simplify right side
    20,567.56x = 223,302,133.94
  5. Step 5: Solve for x
    x = 223,302,133.94/20,567.56
  6. Step 6: Final answer
    x = 10,857.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.