Home / 13,265.56-18,323.58-11,528.92

Finding the Fourth Proportional to 13,265.56, 18,323.58 and 11,528.92

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Solution

The fourth proportional to 13,265.56, 18,323.58 and 11,528.92 is: 15,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.56 : 18,323.58 = 11,528.92 : x
  2. Step 2: Convert to fraction form
    13,265.56/18,323.58 = 11,528.92/x
  3. Step 3: Cross multiply
    13,265.56x = 18,323.58 × 11,528.92
  4. Step 4: Simplify right side
    13,265.56x = 211,251,087.93
  5. Step 5: Solve for x
    x = 211,251,087.93/13,265.56
  6. Step 6: Final answer
    x = 15,924.78

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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.