Home / 17,960.12-24,779.13-10,000.79

Finding the Fourth Proportional to 17,960.12, 24,779.13 and 10,000.79

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Solution

The fourth proportional to 17,960.12, 24,779.13 and 10,000.79 is: 13,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.12 : 24,779.13 = 10,000.79 : x
  2. Step 2: Convert to fraction form
    17,960.12/24,779.13 = 10,000.79/x
  3. Step 3: Cross multiply
    17,960.12x = 24,779.13 × 10,000.79
  4. Step 4: Simplify right side
    17,960.12x = 247,810,751.62
  5. Step 5: Solve for x
    x = 247,810,751.62/17,960.12
  6. Step 6: Final answer
    x = 13,797.84

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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.