Home / 19,003.12-28,501.62-6,522.64

Finding the Fourth Proportional to 19,003.12, 28,501.62 and 6,522.64

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Solution

The fourth proportional to 19,003.12, 28,501.62 and 6,522.64 is: 9,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.12 : 28,501.62 = 6,522.64 : x
  2. Step 2: Convert to fraction form
    19,003.12/28,501.62 = 6,522.64/x
  3. Step 3: Cross multiply
    19,003.12x = 28,501.62 × 6,522.64
  4. Step 4: Simplify right side
    19,003.12x = 185,905,806.68
  5. Step 5: Solve for x
    x = 185,905,806.68/19,003.12
  6. Step 6: Final answer
    x = 9,782.91

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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.