Home / 13,891.55-19,150.57-8,583.35

Finding the Fourth Proportional to 13,891.55, 19,150.57 and 8,583.35

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Solution

The fourth proportional to 13,891.55, 19,150.57 and 8,583.35 is: 11,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.55 : 19,150.57 = 8,583.35 : x
  2. Step 2: Convert to fraction form
    13,891.55/19,150.57 = 8,583.35/x
  3. Step 3: Cross multiply
    13,891.55x = 19,150.57 × 8,583.35
  4. Step 4: Simplify right side
    13,891.55x = 164,376,045.01
  5. Step 5: Solve for x
    x = 164,376,045.01/13,891.55
  6. Step 6: Final answer
    x = 11,832.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.