Home / 18,835.20-26,001-12,374.64

Finding the Fourth Proportional to 18,835.20, 26,001 and 12,374.64

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Solution

The fourth proportional to 18,835.20, 26,001 and 12,374.64 is: 17,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.20 : 26,001 = 12,374.64 : x
  2. Step 2: Convert to fraction form
    18,835.20/26,001 = 12,374.64/x
  3. Step 3: Cross multiply
    18,835.20x = 26,001 × 12,374.64
  4. Step 4: Simplify right side
    18,835.20x = 321,753,014.64
  5. Step 5: Solve for x
    x = 321,753,014.64/18,835.20
  6. Step 6: Final answer
    x = 17,082.54

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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.