Home / 22,416.12-30,933.88-13,347.80

Finding the Fourth Proportional to 22,416.12, 30,933.88 and 13,347.80

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Solution

The fourth proportional to 22,416.12, 30,933.88 and 13,347.80 is: 18,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.12 : 30,933.88 = 13,347.80 : x
  2. Step 2: Convert to fraction form
    22,416.12/30,933.88 = 13,347.80/x
  3. Step 3: Cross multiply
    22,416.12x = 30,933.88 × 13,347.80
  4. Step 4: Simplify right side
    22,416.12x = 412,899,243.46
  5. Step 5: Solve for x
    x = 412,899,243.46/22,416.12
  6. Step 6: Final answer
    x = 18,419.75

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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.