Home / 23,042.13-31,786.53-13,475.76

Finding the Fourth Proportional to 23,042.13, 31,786.53 and 13,475.76

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Solution

The fourth proportional to 23,042.13, 31,786.53 and 13,475.76 is: 18,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.13 : 31,786.53 = 13,475.76 : x
  2. Step 2: Convert to fraction form
    23,042.13/31,786.53 = 13,475.76/x
  3. Step 3: Cross multiply
    23,042.13x = 31,786.53 × 13,475.76
  4. Step 4: Simplify right side
    23,042.13x = 428,347,649.51
  5. Step 5: Solve for x
    x = 428,347,649.51/23,042.13
  6. Step 6: Final answer
    x = 18,589.76

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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.