Home / 27,273.09-37,637.09-15,173.75

Finding the Fourth Proportional to 27,273.09, 37,637.09 and 15,173.75

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Solution

The fourth proportional to 27,273.09, 37,637.09 and 15,173.75 is: 20,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,273.09 : 37,637.09 = 15,173.75 : x
  2. Step 2: Convert to fraction form
    27,273.09/37,637.09 = 15,173.75/x
  3. Step 3: Cross multiply
    27,273.09x = 37,637.09 × 15,173.75
  4. Step 4: Simplify right side
    27,273.09x = 571,095,869.51
  5. Step 5: Solve for x
    x = 571,095,869.51/27,273.09
  6. Step 6: Final answer
    x = 20,939.90

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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.