Home / 23,826.26-32,880-13,215.86

Finding the Fourth Proportional to 23,826.26, 32,880 and 13,215.86

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Solution

The fourth proportional to 23,826.26, 32,880 and 13,215.86 is: 18,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,826.26 : 32,880 = 13,215.86 : x
  2. Step 2: Convert to fraction form
    23,826.26/32,880 = 13,215.86/x
  3. Step 3: Cross multiply
    23,826.26x = 32,880 × 13,215.86
  4. Step 4: Simplify right side
    23,826.26x = 434,537,476.80
  5. Step 5: Solve for x
    x = 434,537,476.80/23,826.26
  6. Step 6: Final answer
    x = 18,237.75

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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.