Home / 19,085.15-28,630.32-6,601.82

Finding the Fourth Proportional to 19,085.15, 28,630.32 and 6,601.82

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Solution

The fourth proportional to 19,085.15, 28,630.32 and 6,601.82 is: 9,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.15 : 28,630.32 = 6,601.82 : x
  2. Step 2: Convert to fraction form
    19,085.15/28,630.32 = 6,601.82/x
  3. Step 3: Cross multiply
    19,085.15x = 28,630.32 × 6,601.82
  4. Step 4: Simplify right side
    19,085.15x = 189,012,076.03
  5. Step 5: Solve for x
    x = 189,012,076.03/19,085.15
  6. Step 6: Final answer
    x = 9,903.62

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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.