Home / 20,934.95-31,365.50-11,052.41

Finding the Fourth Proportional to 20,934.95, 31,365.50 and 11,052.41

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Solution

The fourth proportional to 20,934.95, 31,365.50 and 11,052.41 is: 16,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.95 : 31,365.50 = 11,052.41 : x
  2. Step 2: Convert to fraction form
    20,934.95/31,365.50 = 11,052.41/x
  3. Step 3: Cross multiply
    20,934.95x = 31,365.50 × 11,052.41
  4. Step 4: Simplify right side
    20,934.95x = 346,664,153.77
  5. Step 5: Solve for x
    x = 346,664,153.77/20,934.95
  6. Step 6: Final answer
    x = 16,559.11

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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.