Home / 23,153.92-31,952.58-12,543.63

Finding the Fourth Proportional to 23,153.92, 31,952.58 and 12,543.63

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Solution

The fourth proportional to 23,153.92, 31,952.58 and 12,543.63 is: 17,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.92 : 31,952.58 = 12,543.63 : x
  2. Step 2: Convert to fraction form
    23,153.92/31,952.58 = 12,543.63/x
  3. Step 3: Cross multiply
    23,153.92x = 31,952.58 × 12,543.63
  4. Step 4: Simplify right side
    23,153.92x = 400,801,174.20
  5. Step 5: Solve for x
    x = 400,801,174.20/23,153.92
  6. Step 6: Final answer
    x = 17,310.30

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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.