Home / 18,339.74-25,308.84-9,956.24

Finding the Fourth Proportional to 18,339.74, 25,308.84 and 9,956.24

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Solution

The fourth proportional to 18,339.74, 25,308.84 and 9,956.24 is: 13,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.74 : 25,308.84 = 9,956.24 : x
  2. Step 2: Convert to fraction form
    18,339.74/25,308.84 = 9,956.24/x
  3. Step 3: Cross multiply
    18,339.74x = 25,308.84 × 9,956.24
  4. Step 4: Simplify right side
    18,339.74x = 251,980,885.16
  5. Step 5: Solve for x
    x = 251,980,885.16/18,339.74
  6. Step 6: Final answer
    x = 13,739.61

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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.