Home / 18,372.04-25,348.98-11,655.22

Finding the Fourth Proportional to 18,372.04, 25,348.98 and 11,655.22

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Solution

The fourth proportional to 18,372.04, 25,348.98 and 11,655.22 is: 16,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.04 : 25,348.98 = 11,655.22 : x
  2. Step 2: Convert to fraction form
    18,372.04/25,348.98 = 11,655.22/x
  3. Step 3: Cross multiply
    18,372.04x = 25,348.98 × 11,655.22
  4. Step 4: Simplify right side
    18,372.04x = 295,447,938.68
  5. Step 5: Solve for x
    x = 295,447,938.68/18,372.04
  6. Step 6: Final answer
    x = 16,081.39

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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.