Home / 21,124.74-31,674.29-10,582.50

Finding the Fourth Proportional to 21,124.74, 31,674.29 and 10,582.50

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Solution

The fourth proportional to 21,124.74, 31,674.29 and 10,582.50 is: 15,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124.74 : 31,674.29 = 10,582.50 : x
  2. Step 2: Convert to fraction form
    21,124.74/31,674.29 = 10,582.50/x
  3. Step 3: Cross multiply
    21,124.74x = 31,674.29 × 10,582.50
  4. Step 4: Simplify right side
    21,124.74x = 335,193,173.93
  5. Step 5: Solve for x
    x = 335,193,173.93/21,124.74
  6. Step 6: Final answer
    x = 15,867.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.