Home / 23,176.80-31,996.36-18,130.28

Finding the Fourth Proportional to 23,176.80, 31,996.36 and 18,130.28

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Solution

The fourth proportional to 23,176.80, 31,996.36 and 18,130.28 is: 25,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.80 : 31,996.36 = 18,130.28 : x
  2. Step 2: Convert to fraction form
    23,176.80/31,996.36 = 18,130.28/x
  3. Step 3: Cross multiply
    23,176.80x = 31,996.36 × 18,130.28
  4. Step 4: Simplify right side
    23,176.80x = 580,102,965.78
  5. Step 5: Solve for x
    x = 580,102,965.78/23,176.80
  6. Step 6: Final answer
    x = 25,029.47

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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.