Home / 19,235.60-28,856.40-6,086.72

Finding the Fourth Proportional to 19,235.60, 28,856.40 and 6,086.72

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Solution

The fourth proportional to 19,235.60, 28,856.40 and 6,086.72 is: 9,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.60 : 28,856.40 = 6,086.72 : x
  2. Step 2: Convert to fraction form
    19,235.60/28,856.40 = 6,086.72/x
  3. Step 3: Cross multiply
    19,235.60x = 28,856.40 × 6,086.72
  4. Step 4: Simplify right side
    19,235.60x = 175,640,827.01
  5. Step 5: Solve for x
    x = 175,640,827.01/19,235.60
  6. Step 6: Final answer
    x = 9,131.03

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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.