Home / 18,036.40-27,068.56-11,794.72

Finding the Fourth Proportional to 18,036.40, 27,068.56 and 11,794.72

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Solution

The fourth proportional to 18,036.40, 27,068.56 and 11,794.72 is: 17,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.40 : 27,068.56 = 11,794.72 : x
  2. Step 2: Convert to fraction form
    18,036.40/27,068.56 = 11,794.72/x
  3. Step 3: Cross multiply
    18,036.40x = 27,068.56 × 11,794.72
  4. Step 4: Simplify right side
    18,036.40x = 319,266,086.00
  5. Step 5: Solve for x
    x = 319,266,086.00/18,036.40
  6. Step 6: Final answer
    x = 17,701.21

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1.5x scale

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.