Home / 27,757.04-38,280.51-19,674.71

Finding the Fourth Proportional to 27,757.04, 38,280.51 and 19,674.71

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Solution

The fourth proportional to 27,757.04, 38,280.51 and 19,674.71 is: 27,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.04 : 38,280.51 = 19,674.71 : x
  2. Step 2: Convert to fraction form
    27,757.04/38,280.51 = 19,674.71/x
  3. Step 3: Cross multiply
    27,757.04x = 38,280.51 × 19,674.71
  4. Step 4: Simplify right side
    27,757.04x = 753,157,885.05
  5. Step 5: Solve for x
    x = 753,157,885.05/27,757.04
  6. Step 6: Final answer
    x = 27,133.94

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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.