Home / 18,704.06-28,031.86-7,597.76

Finding the Fourth Proportional to 18,704.06, 28,031.86 and 7,597.76

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Solution

The fourth proportional to 18,704.06, 28,031.86 and 7,597.76 is: 11,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.06 : 28,031.86 = 7,597.76 : x
  2. Step 2: Convert to fraction form
    18,704.06/28,031.86 = 7,597.76/x
  3. Step 3: Cross multiply
    18,704.06x = 28,031.86 × 7,597.76
  4. Step 4: Simplify right side
    18,704.06x = 212,979,344.63
  5. Step 5: Solve for x
    x = 212,979,344.63/18,704.06
  6. Step 6: Final answer
    x = 11,386.80

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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.