Home / 26,466.35-36,520.88-15,855.71

Finding the Fourth Proportional to 26,466.35, 36,520.88 and 15,855.71

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Solution

The fourth proportional to 26,466.35, 36,520.88 and 15,855.71 is: 21,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,466.35 : 36,520.88 = 15,855.71 : x
  2. Step 2: Convert to fraction form
    26,466.35/36,520.88 = 15,855.71/x
  3. Step 3: Cross multiply
    26,466.35x = 36,520.88 × 15,855.71
  4. Step 4: Simplify right side
    26,466.35x = 579,064,220.34
  5. Step 5: Solve for x
    x = 579,064,220.34/26,466.35
  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.