Home / 27,391.11-37,798.75-17,187.64

Finding the Fourth Proportional to 27,391.11, 37,798.75 and 17,187.64

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Solution

The fourth proportional to 27,391.11, 37,798.75 and 17,187.64 is: 23,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.11 : 37,798.75 = 17,187.64 : x
  2. Step 2: Convert to fraction form
    27,391.11/37,798.75 = 17,187.64/x
  3. Step 3: Cross multiply
    27,391.11x = 37,798.75 × 17,187.64
  4. Step 4: Simplify right side
    27,391.11x = 649,671,169.98
  5. Step 5: Solve for x
    x = 649,671,169.98/27,391.11
  6. Step 6: Final answer
    x = 23,718.32

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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.