Home / 17,530.27-26,279.75-7,661.74

Finding the Fourth Proportional to 17,530.27, 26,279.75 and 7,661.74

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Solution

The fourth proportional to 17,530.27, 26,279.75 and 7,661.74 is: 11,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,530.27 : 26,279.75 = 7,661.74 : x
  2. Step 2: Convert to fraction form
    17,530.27/26,279.75 = 7,661.74/x
  3. Step 3: Cross multiply
    17,530.27x = 26,279.75 × 7,661.74
  4. Step 4: Simplify right side
    17,530.27x = 201,348,442.06
  5. Step 5: Solve for x
    x = 201,348,442.06/17,530.27
  6. Step 6: Final answer
    x = 11,485.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.