Home / 23,155.74-34,775.98-21,203.84

Finding the Fourth Proportional to 23,155.74, 34,775.98 and 21,203.84

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Solution

The fourth proportional to 23,155.74, 34,775.98 and 21,203.84 is: 31,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.74 : 34,775.98 = 21,203.84 : x
  2. Step 2: Convert to fraction form
    23,155.74/34,775.98 = 21,203.84/x
  3. Step 3: Cross multiply
    23,155.74x = 34,775.98 × 21,203.84
  4. Step 4: Simplify right side
    23,155.74x = 737,384,315.76
  5. Step 5: Solve for x
    x = 737,384,315.76/23,155.74
  6. Step 6: Final answer
    x = 31,844.56

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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.