Home / 27,242.80-37,579.71-17,153.91

Finding the Fourth Proportional to 27,242.80, 37,579.71 and 17,153.91

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Solution

The fourth proportional to 27,242.80, 37,579.71 and 17,153.91 is: 23,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.80 : 37,579.71 = 17,153.91 : x
  2. Step 2: Convert to fraction form
    27,242.80/37,579.71 = 17,153.91/x
  3. Step 3: Cross multiply
    27,242.80x = 37,579.71 × 17,153.91
  4. Step 4: Simplify right side
    27,242.80x = 644,639,027.49
  5. Step 5: Solve for x
    x = 644,639,027.49/27,242.80
  6. Step 6: Final answer
    x = 23,662.73

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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.