Home / 26,187.18-39,250.00-12,117.48

Finding the Fourth Proportional to 26,187.18, 39,250.00 and 12,117.48

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Solution

The fourth proportional to 26,187.18, 39,250.00 and 12,117.48 is: 18,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.18 : 39,250.00 = 12,117.48 : x
  2. Step 2: Convert to fraction form
    26,187.18/39,250.00 = 12,117.48/x
  3. Step 3: Cross multiply
    26,187.18x = 39,250.00 × 12,117.48
  4. Step 4: Simplify right side
    26,187.18x = 475,611,178.74
  5. Step 5: Solve for x
    x = 475,611,178.74/26,187.18
  6. Step 6: Final answer
    x = 18,161.98

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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.