Home / 20,036.06-27,651.81-11,538.50

Finding the Fourth Proportional to 20,036.06, 27,651.81 and 11,538.50

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Solution

The fourth proportional to 20,036.06, 27,651.81 and 11,538.50 is: 15,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.06 : 27,651.81 = 11,538.50 : x
  2. Step 2: Convert to fraction form
    20,036.06/27,651.81 = 11,538.50/x
  3. Step 3: Cross multiply
    20,036.06x = 27,651.81 × 11,538.50
  4. Step 4: Simplify right side
    20,036.06x = 319,060,271.43
  5. Step 5: Solve for x
    x = 319,060,271.43/20,036.06
  6. Step 6: Final answer
    x = 15,924.31

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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.