Home / 55,111.32-82,626.27-17,649.72

Finding the Fourth Proportional to 55,111.32, 82,626.27 and 17,649.72

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Solution

The fourth proportional to 55,111.32, 82,626.27 and 17,649.72 is: 26,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.32 : 82,626.27 = 17,649.72 : x
  2. Step 2: Convert to fraction form
    55,111.32/82,626.27 = 17,649.72/x
  3. Step 3: Cross multiply
    55,111.32x = 82,626.27 × 17,649.72
  4. Step 4: Simplify right side
    55,111.32x = 1,458,330,530.14
  5. Step 5: Solve for x
    x = 1,458,330,530.14/55,111.32
  6. Step 6: Final answer
    x = 26,461.54

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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.