Home / 25,172.17-37,676.12-18,506.90

Finding the Fourth Proportional to 25,172.17, 37,676.12 and 18,506.90

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Solution

The fourth proportional to 25,172.17, 37,676.12 and 18,506.90 is: 27,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.17 : 37,676.12 = 18,506.90 : x
  2. Step 2: Convert to fraction form
    25,172.17/37,676.12 = 18,506.90/x
  3. Step 3: Cross multiply
    25,172.17x = 37,676.12 × 18,506.90
  4. Step 4: Simplify right side
    25,172.17x = 697,268,186.88
  5. Step 5: Solve for x
    x = 697,268,186.88/25,172.17
  6. Step 6: Final answer
    x = 27,699.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.