Home / 13,335.14-18,402.17-7,367.38

Finding the Fourth Proportional to 13,335.14, 18,402.17 and 7,367.38

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Solution

The fourth proportional to 13,335.14, 18,402.17 and 7,367.38 is: 10,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.14 : 18,402.17 = 7,367.38 : x
  2. Step 2: Convert to fraction form
    13,335.14/18,402.17 = 7,367.38/x
  3. Step 3: Cross multiply
    13,335.14x = 18,402.17 × 7,367.38
  4. Step 4: Simplify right side
    13,335.14x = 135,575,779.21
  5. Step 5: Solve for x
    x = 135,575,779.21/13,335.14
  6. Step 6: Final answer
    x = 10,166.81

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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.