Home / 13,182.51-18,193.91-7,517.27

Finding the Fourth Proportional to 13,182.51, 18,193.91 and 7,517.27

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Solution

The fourth proportional to 13,182.51, 18,193.91 and 7,517.27 is: 10,375.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.51 : 18,193.91 = 7,517.27 : x
  2. Step 2: Convert to fraction form
    13,182.51/18,193.91 = 7,517.27/x
  3. Step 3: Cross multiply
    13,182.51x = 18,193.91 × 7,517.27
  4. Step 4: Simplify right side
    13,182.51x = 136,768,533.83
  5. Step 5: Solve for x
    x = 136,768,533.83/13,182.51
  6. Step 6: Final answer
    x = 10,375.00

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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.