Home / 26,466.36-36,520.86-15,855.72

Finding the Fourth Proportional to 26,466.36, 36,520.86 and 15,855.72

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Solution

The fourth proportional to 26,466.36, 36,520.86 and 15,855.72 is: 21,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,466.36 : 36,520.86 = 15,855.72 : x
  2. Step 2: Convert to fraction form
    26,466.36/36,520.86 = 15,855.72/x
  3. Step 3: Cross multiply
    26,466.36x = 36,520.86 × 15,855.72
  4. Step 4: Simplify right side
    26,466.36x = 579,064,530.32
  5. Step 5: Solve for x
    x = 579,064,530.32/26,466.36
  6. Step 6: Final answer
    x = 21,879.27

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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.