Home / 27,636.56-38,127.64-17,007.74

Finding the Fourth Proportional to 27,636.56, 38,127.64 and 17,007.74

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Solution

The fourth proportional to 27,636.56, 38,127.64 and 17,007.74 is: 23,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.56 : 38,127.64 = 17,007.74 : x
  2. Step 2: Convert to fraction form
    27,636.56/38,127.64 = 17,007.74/x
  3. Step 3: Cross multiply
    27,636.56x = 38,127.64 × 17,007.74
  4. Step 4: Simplify right side
    27,636.56x = 648,464,987.93
  5. Step 5: Solve for x
    x = 648,464,987.93/27,636.56
  6. Step 6: Final answer
    x = 23,464.03

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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.