Home / 15,905.52-21,942.42-10,238.24

Finding the Fourth Proportional to 15,905.52, 21,942.42 and 10,238.24

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Solution

The fourth proportional to 15,905.52, 21,942.42 and 10,238.24 is: 14,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.52 : 21,942.42 = 10,238.24 : x
  2. Step 2: Convert to fraction form
    15,905.52/21,942.42 = 10,238.24/x
  3. Step 3: Cross multiply
    15,905.52x = 21,942.42 × 10,238.24
  4. Step 4: Simplify right side
    15,905.52x = 224,651,652.43
  5. Step 5: Solve for x
    x = 224,651,652.43/15,905.52
  6. Step 6: Final answer
    x = 14,124.13

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1.5x scale

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.