Home / 20,036.51-27,647.27-11,538.99

Finding the Fourth Proportional to 20,036.51, 27,647.27 and 11,538.99

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Solution

The fourth proportional to 20,036.51, 27,647.27 and 11,538.99 is: 15,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.51 : 27,647.27 = 11,538.99 : x
  2. Step 2: Convert to fraction form
    20,036.51/27,647.27 = 11,538.99/x
  3. Step 3: Cross multiply
    20,036.51x = 27,647.27 × 11,538.99
  4. Step 4: Simplify right side
    20,036.51x = 319,021,491.20
  5. Step 5: Solve for x
    x = 319,021,491.20/20,036.51
  6. Step 6: Final answer
    x = 15,922.01

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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.