Home / 15,282.26-21,089.37-8,567.94

Finding the Fourth Proportional to 15,282.26, 21,089.37 and 8,567.94

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Solution

The fourth proportional to 15,282.26, 21,089.37 and 8,567.94 is: 11,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.26 : 21,089.37 = 8,567.94 : x
  2. Step 2: Convert to fraction form
    15,282.26/21,089.37 = 8,567.94/x
  3. Step 3: Cross multiply
    15,282.26x = 21,089.37 × 8,567.94
  4. Step 4: Simplify right side
    15,282.26x = 180,692,456.80
  5. Step 5: Solve for x
    x = 180,692,456.80/15,282.26
  6. Step 6: Final answer
    x = 11,823.68

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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.