Home / 20,677.84-31,029.51-9,582.46

Finding the Fourth Proportional to 20,677.84, 31,029.51 and 9,582.46

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Solution

The fourth proportional to 20,677.84, 31,029.51 and 9,582.46 is: 14,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.84 : 31,029.51 = 9,582.46 : x
  2. Step 2: Convert to fraction form
    20,677.84/31,029.51 = 9,582.46/x
  3. Step 3: Cross multiply
    20,677.84x = 31,029.51 × 9,582.46
  4. Step 4: Simplify right side
    20,677.84x = 297,338,996.76
  5. Step 5: Solve for x
    x = 297,338,996.76/20,677.84
  6. Step 6: Final answer
    x = 14,379.60

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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.