Home / 21,582.43-32,338.01-9,869.83

Finding the Fourth Proportional to 21,582.43, 32,338.01 and 9,869.83

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Solution

The fourth proportional to 21,582.43, 32,338.01 and 9,869.83 is: 14,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.43 : 32,338.01 = 9,869.83 : x
  2. Step 2: Convert to fraction form
    21,582.43/32,338.01 = 9,869.83/x
  3. Step 3: Cross multiply
    21,582.43x = 32,338.01 × 9,869.83
  4. Step 4: Simplify right side
    21,582.43x = 319,170,611.89
  5. Step 5: Solve for x
    x = 319,170,611.89/21,582.43
  6. Step 6: Final answer
    x = 14,788.45

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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.