Home / 18,364.56-25,343.88-11,293.32

Finding the Fourth Proportional to 18,364.56, 25,343.88 and 11,293.32

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Solution

The fourth proportional to 18,364.56, 25,343.88 and 11,293.32 is: 15,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.56 : 25,343.88 = 11,293.32 : x
  2. Step 2: Convert to fraction form
    18,364.56/25,343.88 = 11,293.32/x
  3. Step 3: Cross multiply
    18,364.56x = 25,343.88 × 11,293.32
  4. Step 4: Simplify right side
    18,364.56x = 286,216,546.88
  5. Step 5: Solve for x
    x = 286,216,546.88/18,364.56
  6. Step 6: Final answer
    x = 15,585.27

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Double scale
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Similar ratio
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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.