Home / 19,447.06-29,148.63-7,746.70

Finding the Fourth Proportional to 19,447.06, 29,148.63 and 7,746.70

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Solution

The fourth proportional to 19,447.06, 29,148.63 and 7,746.70 is: 11,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.06 : 29,148.63 = 7,746.70 : x
  2. Step 2: Convert to fraction form
    19,447.06/29,148.63 = 7,746.70/x
  3. Step 3: Cross multiply
    19,447.06x = 29,148.63 × 7,746.70
  4. Step 4: Simplify right side
    19,447.06x = 225,805,692.02
  5. Step 5: Solve for x
    x = 225,805,692.02/19,447.06
  6. Step 6: Final answer
    x = 11,611.30

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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.