Home / 27,009.20-37,274.04-15,072.32

Finding the Fourth Proportional to 27,009.20, 37,274.04 and 15,072.32

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Solution

The fourth proportional to 27,009.20, 37,274.04 and 15,072.32 is: 20,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.20 : 37,274.04 = 15,072.32 : x
  2. Step 2: Convert to fraction form
    27,009.20/37,274.04 = 15,072.32/x
  3. Step 3: Cross multiply
    27,009.20x = 37,274.04 × 15,072.32
  4. Step 4: Simplify right side
    27,009.20x = 561,806,258.57
  5. Step 5: Solve for x
    x = 561,806,258.57/27,009.20
  6. Step 6: Final answer
    x = 20,800.55

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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.