Home / 17,835.40-26,754.30-4,687.72

Finding the Fourth Proportional to 17,835.40, 26,754.30 and 4,687.72

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Solution

The fourth proportional to 17,835.40, 26,754.30 and 4,687.72 is: 7,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,835.40 : 26,754.30 = 4,687.72 : x
  2. Step 2: Convert to fraction form
    17,835.40/26,754.30 = 4,687.72/x
  3. Step 3: Cross multiply
    17,835.40x = 26,754.30 × 4,687.72
  4. Step 4: Simplify right side
    17,835.40x = 125,416,667.20
  5. Step 5: Solve for x
    x = 125,416,667.20/17,835.40
  6. Step 6: Final answer
    x = 7,031.90

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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.