Home / 27,485.52-37,960.92-18,517.32

Finding the Fourth Proportional to 27,485.52, 37,960.92 and 18,517.32

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Solution

The fourth proportional to 27,485.52, 37,960.92 and 18,517.32 is: 25,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.52 : 37,960.92 = 18,517.32 : x
  2. Step 2: Convert to fraction form
    27,485.52/37,960.92 = 18,517.32/x
  3. Step 3: Cross multiply
    27,485.52x = 37,960.92 × 18,517.32
  4. Step 4: Simplify right side
    27,485.52x = 702,934,503.13
  5. Step 5: Solve for x
    x = 702,934,503.13/27,485.52
  6. Step 6: Final answer
    x = 25,574.72

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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.