Home / 15,651.42-21,598.11-8,576.52

Finding the Fourth Proportional to 15,651.42, 21,598.11 and 8,576.52

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Solution

The fourth proportional to 15,651.42, 21,598.11 and 8,576.52 is: 11,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.42 : 21,598.11 = 8,576.52 : x
  2. Step 2: Convert to fraction form
    15,651.42/21,598.11 = 8,576.52/x
  3. Step 3: Cross multiply
    15,651.42x = 21,598.11 × 8,576.52
  4. Step 4: Simplify right side
    15,651.42x = 185,236,622.38
  5. Step 5: Solve for x
    x = 185,236,622.38/15,651.42
  6. Step 6: Final answer
    x = 11,835.13

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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.