Home / 17,718.76-26,581.40-7,331.32

Finding the Fourth Proportional to 17,718.76, 26,581.40 and 7,331.32

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Solution

The fourth proportional to 17,718.76, 26,581.40 and 7,331.32 is: 10,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.76 : 26,581.40 = 7,331.32 : x
  2. Step 2: Convert to fraction form
    17,718.76/26,581.40 = 7,331.32/x
  3. Step 3: Cross multiply
    17,718.76x = 26,581.40 × 7,331.32
  4. Step 4: Simplify right side
    17,718.76x = 194,876,749.45
  5. Step 5: Solve for x
    x = 194,876,749.45/17,718.76
  6. Step 6: Final answer
    x = 10,998.33

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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.