Home / 17,319.12-25,969.35-8,978.46

Finding the Fourth Proportional to 17,319.12, 25,969.35 and 8,978.46

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Solution

The fourth proportional to 17,319.12, 25,969.35 and 8,978.46 is: 13,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.12 : 25,969.35 = 8,978.46 : x
  2. Step 2: Convert to fraction form
    17,319.12/25,969.35 = 8,978.46/x
  3. Step 3: Cross multiply
    17,319.12x = 25,969.35 × 8,978.46
  4. Step 4: Simplify right side
    17,319.12x = 233,164,770.20
  5. Step 5: Solve for x
    x = 233,164,770.20/17,319.12
  6. Step 6: Final answer
    x = 13,462.85

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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.