Home / 27,126.37-37,409.41-18,613.47

Finding the Fourth Proportional to 27,126.37, 37,409.41 and 18,613.47

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Solution

The fourth proportional to 27,126.37, 37,409.41 and 18,613.47 is: 25,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.37 : 37,409.41 = 18,613.47 : x
  2. Step 2: Convert to fraction form
    27,126.37/37,409.41 = 18,613.47/x
  3. Step 3: Cross multiply
    27,126.37x = 37,409.41 × 18,613.47
  4. Step 4: Simplify right side
    27,126.37x = 696,318,930.75
  5. Step 5: Solve for x
    x = 696,318,930.75/27,126.37
  6. Step 6: Final answer
    x = 25,669.45

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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.