Home / 13,348.43-18,425.21-9,370.52

Finding the Fourth Proportional to 13,348.43, 18,425.21 and 9,370.52

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Solution

The fourth proportional to 13,348.43, 18,425.21 and 9,370.52 is: 12,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.43 : 18,425.21 = 9,370.52 : x
  2. Step 2: Convert to fraction form
    13,348.43/18,425.21 = 9,370.52/x
  3. Step 3: Cross multiply
    13,348.43x = 18,425.21 × 9,370.52
  4. Step 4: Simplify right side
    13,348.43x = 172,653,751.96
  5. Step 5: Solve for x
    x = 172,653,751.96/13,348.43
  6. Step 6: Final answer
    x = 12,934.39

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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.