Home / 27,665.06-38,195.28-19,164.16

Finding the Fourth Proportional to 27,665.06, 38,195.28 and 19,164.16

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Solution

The fourth proportional to 27,665.06, 38,195.28 and 19,164.16 is: 26,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665.06 : 38,195.28 = 19,164.16 : x
  2. Step 2: Convert to fraction form
    27,665.06/38,195.28 = 19,164.16/x
  3. Step 3: Cross multiply
    27,665.06x = 38,195.28 × 19,164.16
  4. Step 4: Simplify right side
    27,665.06x = 731,980,504.91
  5. Step 5: Solve for x
    x = 731,980,504.91/27,665.06
  6. Step 6: Final answer
    x = 26,458.67

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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.