Home / 18,923.88-26,111.30-10,540.36

Finding the Fourth Proportional to 18,923.88, 26,111.30 and 10,540.36

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Solution

The fourth proportional to 18,923.88, 26,111.30 and 10,540.36 is: 14,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.88 : 26,111.30 = 10,540.36 : x
  2. Step 2: Convert to fraction form
    18,923.88/26,111.30 = 10,540.36/x
  3. Step 3: Cross multiply
    18,923.88x = 26,111.30 × 10,540.36
  4. Step 4: Simplify right side
    18,923.88x = 275,222,502.07
  5. Step 5: Solve for x
    x = 275,222,502.07/18,923.88
  6. Step 6: Final answer
    x = 14,543.66

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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.