Home / 20,561.58-30,801.26-9,453.06

Finding the Fourth Proportional to 20,561.58, 30,801.26 and 9,453.06

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Solution

The fourth proportional to 20,561.58, 30,801.26 and 9,453.06 is: 14,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,561.58 : 30,801.26 = 9,453.06 : x
  2. Step 2: Convert to fraction form
    20,561.58/30,801.26 = 9,453.06/x
  3. Step 3: Cross multiply
    20,561.58x = 30,801.26 × 9,453.06
  4. Step 4: Simplify right side
    20,561.58x = 291,166,158.86
  5. Step 5: Solve for x
    x = 291,166,158.86/20,561.58
  6. Step 6: Final answer
    x = 14,160.69

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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.