Home / 26,640.10-36,777.16-19,461.96

Finding the Fourth Proportional to 26,640.10, 36,777.16 and 19,461.96

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Solution

The fourth proportional to 26,640.10, 36,777.16 and 19,461.96 is: 26,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.10 : 36,777.16 = 19,461.96 : x
  2. Step 2: Convert to fraction form
    26,640.10/36,777.16 = 19,461.96/x
  3. Step 3: Cross multiply
    26,640.10x = 36,777.16 × 19,461.96
  4. Step 4: Simplify right side
    26,640.10x = 715,755,616.83
  5. Step 5: Solve for x
    x = 715,755,616.83/26,640.10
  6. Step 6: Final answer
    x = 26,867.60

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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.