Home / 17,699.40-24,432.84-11,720.52

Finding the Fourth Proportional to 17,699.40, 24,432.84 and 11,720.52

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Solution

The fourth proportional to 17,699.40, 24,432.84 and 11,720.52 is: 16,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.40 : 24,432.84 = 11,720.52 : x
  2. Step 2: Convert to fraction form
    17,699.40/24,432.84 = 11,720.52/x
  3. Step 3: Cross multiply
    17,699.40x = 24,432.84 × 11,720.52
  4. Step 4: Simplify right side
    17,699.40x = 286,365,589.88
  5. Step 5: Solve for x
    x = 286,365,589.88/17,699.40
  6. Step 6: Final answer
    x = 16,179.40

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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.