Home / 13,091.06-19,637.22-4,325.78

Finding the Fourth Proportional to 13,091.06, 19,637.22 and 4,325.78

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Solution

The fourth proportional to 13,091.06, 19,637.22 and 4,325.78 is: 6,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.06 : 19,637.22 = 4,325.78 : x
  2. Step 2: Convert to fraction form
    13,091.06/19,637.22 = 4,325.78/x
  3. Step 3: Cross multiply
    13,091.06x = 19,637.22 × 4,325.78
  4. Step 4: Simplify right side
    13,091.06x = 84,946,293.53
  5. Step 5: Solve for x
    x = 84,946,293.53/13,091.06
  6. Step 6: Final answer
    x = 6,488.88

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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.