Home / 26,146.56-39,187.70-12,087.58

Finding the Fourth Proportional to 26,146.56, 39,187.70 and 12,087.58

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Solution

The fourth proportional to 26,146.56, 39,187.70 and 12,087.58 is: 18,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.56 : 39,187.70 = 12,087.58 : x
  2. Step 2: Convert to fraction form
    26,146.56/39,187.70 = 12,087.58/x
  3. Step 3: Cross multiply
    26,146.56x = 39,187.70 × 12,087.58
  4. Step 4: Simplify right side
    26,146.56x = 473,684,458.77
  5. Step 5: Solve for x
    x = 473,684,458.77/26,146.56
  6. Step 6: Final answer
    x = 18,116.51

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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.