Home / 22,435.79-33,656.58-7,640.73

Finding the Fourth Proportional to 22,435.79, 33,656.58 and 7,640.73

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Solution

The fourth proportional to 22,435.79, 33,656.58 and 7,640.73 is: 11,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.79 : 33,656.58 = 7,640.73 : x
  2. Step 2: Convert to fraction form
    22,435.79/33,656.58 = 7,640.73/x
  3. Step 3: Cross multiply
    22,435.79x = 33,656.58 × 7,640.73
  4. Step 4: Simplify right side
    22,435.79x = 257,160,840.50
  5. Step 5: Solve for x
    x = 257,160,840.50/22,435.79
  6. Step 6: Final answer
    x = 11,462.08

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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.