Home / 23,143.52-31,938.64-14,195.96

Finding the Fourth Proportional to 23,143.52, 31,938.64 and 14,195.96

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Solution

The fourth proportional to 23,143.52, 31,938.64 and 14,195.96 is: 19,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.52 : 31,938.64 = 14,195.96 : x
  2. Step 2: Convert to fraction form
    23,143.52/31,938.64 = 14,195.96/x
  3. Step 3: Cross multiply
    23,143.52x = 31,938.64 × 14,195.96
  4. Step 4: Simplify right side
    23,143.52x = 453,399,425.22
  5. Step 5: Solve for x
    x = 453,399,425.22/23,143.52
  6. Step 6: Final answer
    x = 19,590.78

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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.