Home / 12,567.27-17,347.68-9,432.57

Finding the Fourth Proportional to 12,567.27, 17,347.68 and 9,432.57

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Solution

The fourth proportional to 12,567.27, 17,347.68 and 9,432.57 is: 13,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.27 : 17,347.68 = 9,432.57 : x
  2. Step 2: Convert to fraction form
    12,567.27/17,347.68 = 9,432.57/x
  3. Step 3: Cross multiply
    12,567.27x = 17,347.68 × 9,432.57
  4. Step 4: Simplify right side
    12,567.27x = 163,633,205.94
  5. Step 5: Solve for x
    x = 163,633,205.94/12,567.27
  6. Step 6: Final answer
    x = 13,020.58

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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.