Home / 18,526.38-27,783.09-11,556.06

Finding the Fourth Proportional to 18,526.38, 27,783.09 and 11,556.06

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Solution

The fourth proportional to 18,526.38, 27,783.09 and 11,556.06 is: 17,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.38 : 27,783.09 = 11,556.06 : x
  2. Step 2: Convert to fraction form
    18,526.38/27,783.09 = 11,556.06/x
  3. Step 3: Cross multiply
    18,526.38x = 27,783.09 × 11,556.06
  4. Step 4: Simplify right side
    18,526.38x = 321,063,055.03
  5. Step 5: Solve for x
    x = 321,063,055.03/18,526.38
  6. Step 6: Final answer
    x = 17,330.05

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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.