Home / 23,166.64-31,851.62-20,624.56

Finding the Fourth Proportional to 23,166.64, 31,851.62 and 20,624.56

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Solution

The fourth proportional to 23,166.64, 31,851.62 and 20,624.56 is: 28,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.64 : 31,851.62 = 20,624.56 : x
  2. Step 2: Convert to fraction form
    23,166.64/31,851.62 = 20,624.56/x
  3. Step 3: Cross multiply
    23,166.64x = 31,851.62 × 20,624.56
  4. Step 4: Simplify right side
    23,166.64x = 656,925,647.79
  5. Step 5: Solve for x
    x = 656,925,647.79/23,166.64
  6. Step 6: Final answer
    x = 28,356.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.