Home / 18,437.67-25,454.48-12,168.27

Finding the Fourth Proportional to 18,437.67, 25,454.48 and 12,168.27

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Solution

The fourth proportional to 18,437.67, 25,454.48 and 12,168.27 is: 16,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.67 : 25,454.48 = 12,168.27 : x
  2. Step 2: Convert to fraction form
    18,437.67/25,454.48 = 12,168.27/x
  3. Step 3: Cross multiply
    18,437.67x = 25,454.48 × 12,168.27
  4. Step 4: Simplify right side
    18,437.67x = 309,736,985.35
  5. Step 5: Solve for x
    x = 309,736,985.35/18,437.67
  6. Step 6: Final answer
    x = 16,799.14

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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.