Home / 23,935.90-35,905.45-8,140.70

Finding the Fourth Proportional to 23,935.90, 35,905.45 and 8,140.70

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Solution

The fourth proportional to 23,935.90, 35,905.45 and 8,140.70 is: 12,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,935.90 : 35,905.45 = 8,140.70 : x
  2. Step 2: Convert to fraction form
    23,935.90/35,905.45 = 8,140.70/x
  3. Step 3: Cross multiply
    23,935.90x = 35,905.45 × 8,140.70
  4. Step 4: Simplify right side
    23,935.90x = 292,295,496.82
  5. Step 5: Solve for x
    x = 292,295,496.82/23,935.90
  6. Step 6: Final answer
    x = 12,211.59

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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.