Home / 23,619.40-35,390.70-19,702.60

Finding the Fourth Proportional to 23,619.40, 35,390.70 and 19,702.60

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Solution

The fourth proportional to 23,619.40, 35,390.70 and 19,702.60 is: 29,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,619.40 : 35,390.70 = 19,702.60 : x
  2. Step 2: Convert to fraction form
    23,619.40/35,390.70 = 19,702.60/x
  3. Step 3: Cross multiply
    23,619.40x = 35,390.70 × 19,702.60
  4. Step 4: Simplify right side
    23,619.40x = 697,288,805.82
  5. Step 5: Solve for x
    x = 697,288,805.82/23,619.40
  6. Step 6: Final answer
    x = 29,521.87

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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.