Home / 17,731.49-24,435.77-12,686.96

Finding the Fourth Proportional to 17,731.49, 24,435.77 and 12,686.96

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Solution

The fourth proportional to 17,731.49, 24,435.77 and 12,686.96 is: 17,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.49 : 24,435.77 = 12,686.96 : x
  2. Step 2: Convert to fraction form
    17,731.49/24,435.77 = 12,686.96/x
  3. Step 3: Cross multiply
    17,731.49x = 24,435.77 × 12,686.96
  4. Step 4: Simplify right side
    17,731.49x = 310,015,636.56
  5. Step 5: Solve for x
    x = 310,015,636.56/17,731.49
  6. Step 6: Final answer
    x = 17,483.90

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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.