Home / 13,335.76-18,403.23-7,367.59

Finding the Fourth Proportional to 13,335.76, 18,403.23 and 7,367.59

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Solution

The fourth proportional to 13,335.76, 18,403.23 and 7,367.59 is: 10,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.76 : 18,403.23 = 7,367.59 : x
  2. Step 2: Convert to fraction form
    13,335.76/18,403.23 = 7,367.59/x
  3. Step 3: Cross multiply
    13,335.76x = 18,403.23 × 7,367.59
  4. Step 4: Simplify right side
    13,335.76x = 135,587,453.32
  5. Step 5: Solve for x
    x = 135,587,453.32/13,335.76
  6. Step 6: Final answer
    x = 10,167.21

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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.