Home / 26,186.70-39,289.77-12,153.66

Finding the Fourth Proportional to 26,186.70, 39,289.77 and 12,153.66

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Solution

The fourth proportional to 26,186.70, 39,289.77 and 12,153.66 is: 18,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.70 : 39,289.77 = 12,153.66 : x
  2. Step 2: Convert to fraction form
    26,186.70/39,289.77 = 12,153.66/x
  3. Step 3: Cross multiply
    26,186.70x = 39,289.77 × 12,153.66
  4. Step 4: Simplify right side
    26,186.70x = 477,514,506.06
  5. Step 5: Solve for x
    x = 477,514,506.06/26,186.70
  6. Step 6: Final answer
    x = 18,235.00

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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.