Home / 22,187.51-30,610.91-14,234.03

Finding the Fourth Proportional to 22,187.51, 30,610.91 and 14,234.03

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Solution

The fourth proportional to 22,187.51, 30,610.91 and 14,234.03 is: 19,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.51 : 30,610.91 = 14,234.03 : x
  2. Step 2: Convert to fraction form
    22,187.51/30,610.91 = 14,234.03/x
  3. Step 3: Cross multiply
    22,187.51x = 30,610.91 × 14,234.03
  4. Step 4: Simplify right side
    22,187.51x = 435,716,493.80
  5. Step 5: Solve for x
    x = 435,716,493.80/22,187.51
  6. Step 6: Final answer
    x = 19,637.92

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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.