Home / 17,651.28-26,461.56-9,871.44

Finding the Fourth Proportional to 17,651.28, 26,461.56 and 9,871.44

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Solution

The fourth proportional to 17,651.28, 26,461.56 and 9,871.44 is: 14,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.28 : 26,461.56 = 9,871.44 : x
  2. Step 2: Convert to fraction form
    17,651.28/26,461.56 = 9,871.44/x
  3. Step 3: Cross multiply
    17,651.28x = 26,461.56 × 9,871.44
  4. Step 4: Simplify right side
    17,651.28x = 261,213,701.85
  5. Step 5: Solve for x
    x = 261,213,701.85/17,651.28
  6. Step 6: Final answer
    x = 14,798.57

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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.