Home / 26,146.40-36,083.75-14,815.85

Finding the Fourth Proportional to 26,146.40, 36,083.75 and 14,815.85

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Solution

The fourth proportional to 26,146.40, 36,083.75 and 14,815.85 is: 20,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.40 : 36,083.75 = 14,815.85 : x
  2. Step 2: Convert to fraction form
    26,146.40/36,083.75 = 14,815.85/x
  3. Step 3: Cross multiply
    26,146.40x = 36,083.75 × 14,815.85
  4. Step 4: Simplify right side
    26,146.40x = 534,611,172.94
  5. Step 5: Solve for x
    x = 534,611,172.94/26,146.40
  6. Step 6: Final answer
    x = 20,446.84

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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.