Home / 17,686.23-24,383.87-12,836.60

Finding the Fourth Proportional to 17,686.23, 24,383.87 and 12,836.60

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Solution

The fourth proportional to 17,686.23, 24,383.87 and 12,836.60 is: 17,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.23 : 24,383.87 = 12,836.60 : x
  2. Step 2: Convert to fraction form
    17,686.23/24,383.87 = 12,836.60/x
  3. Step 3: Cross multiply
    17,686.23x = 24,383.87 × 12,836.60
  4. Step 4: Simplify right side
    17,686.23x = 313,005,939.12
  5. Step 5: Solve for x
    x = 313,005,939.12/17,686.23
  6. Step 6: Final answer
    x = 17,697.72

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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.