Home / 15,821.07-21,823.53-10,443.52

Finding the Fourth Proportional to 15,821.07, 21,823.53 and 10,443.52

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Solution

The fourth proportional to 15,821.07, 21,823.53 and 10,443.52 is: 14,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.07 : 21,823.53 = 10,443.52 : x
  2. Step 2: Convert to fraction form
    15,821.07/21,823.53 = 10,443.52/x
  3. Step 3: Cross multiply
    15,821.07x = 21,823.53 × 10,443.52
  4. Step 4: Simplify right side
    15,821.07x = 227,914,498.50
  5. Step 5: Solve for x
    x = 227,914,498.50/15,821.07
  6. Step 6: Final answer
    x = 14,405.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.