Home / 15,927.24-21,989.43-10,263.99

Finding the Fourth Proportional to 15,927.24, 21,989.43 and 10,263.99

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Solution

The fourth proportional to 15,927.24, 21,989.43 and 10,263.99 is: 14,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.24 : 21,989.43 = 10,263.99 : x
  2. Step 2: Convert to fraction form
    15,927.24/21,989.43 = 10,263.99/x
  3. Step 3: Cross multiply
    15,927.24x = 21,989.43 × 10,263.99
  4. Step 4: Simplify right side
    15,927.24x = 225,699,289.63
  5. Step 5: Solve for x
    x = 225,699,289.63/15,927.24
  6. Step 6: Final answer
    x = 14,170.65

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Why These Related Problems?

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