Home / 14,472.30-21,720.78-10,322.52

Finding the Fourth Proportional to 14,472.30, 21,720.78 and 10,322.52

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Solution

The fourth proportional to 14,472.30, 21,720.78 and 10,322.52 is: 15,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.30 : 21,720.78 = 10,322.52 : x
  2. Step 2: Convert to fraction form
    14,472.30/21,720.78 = 10,322.52/x
  3. Step 3: Cross multiply
    14,472.30x = 21,720.78 × 10,322.52
  4. Step 4: Simplify right side
    14,472.30x = 224,213,185.97
  5. Step 5: Solve for x
    x = 224,213,185.97/14,472.30
  6. Step 6: Final answer
    x = 15,492.57

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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.