Home / 25,743.64-38,611.80-9,956.12

Finding the Fourth Proportional to 25,743.64, 38,611.80 and 9,956.12

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Solution

The fourth proportional to 25,743.64, 38,611.80 and 9,956.12 is: 14,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.64 : 38,611.80 = 9,956.12 : x
  2. Step 2: Convert to fraction form
    25,743.64/38,611.80 = 9,956.12/x
  3. Step 3: Cross multiply
    25,743.64x = 38,611.80 × 9,956.12
  4. Step 4: Simplify right side
    25,743.64x = 384,423,714.22
  5. Step 5: Solve for x
    x = 384,423,714.22/25,743.64
  6. Step 6: Final answer
    x = 14,932.76

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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.