Home / 18,326.12-27,485.40-8,956.52

Finding the Fourth Proportional to 18,326.12, 27,485.40 and 8,956.52

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Solution

The fourth proportional to 18,326.12, 27,485.40 and 8,956.52 is: 13,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.12 : 27,485.40 = 8,956.52 : x
  2. Step 2: Convert to fraction form
    18,326.12/27,485.40 = 8,956.52/x
  3. Step 3: Cross multiply
    18,326.12x = 27,485.40 × 8,956.52
  4. Step 4: Simplify right side
    18,326.12x = 246,173,534.81
  5. Step 5: Solve for x
    x = 246,173,534.81/18,326.12
  6. Step 6: Final answer
    x = 13,432.93

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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.