Home / 27,133.78-37,457.58-18,074.21

Finding the Fourth Proportional to 27,133.78, 37,457.58 and 18,074.21

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Solution

The fourth proportional to 27,133.78, 37,457.58 and 18,074.21 is: 24,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.78 : 37,457.58 = 18,074.21 : x
  2. Step 2: Convert to fraction form
    27,133.78/37,457.58 = 18,074.21/x
  3. Step 3: Cross multiply
    27,133.78x = 37,457.58 × 18,074.21
  4. Step 4: Simplify right side
    27,133.78x = 677,016,167.01
  5. Step 5: Solve for x
    x = 677,016,167.01/27,133.78
  6. Step 6: Final answer
    x = 24,951.05

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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.