Home / 13,310.26-18,368.29-7,342.14

Finding the Fourth Proportional to 13,310.26, 18,368.29 and 7,342.14

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Solution

The fourth proportional to 13,310.26, 18,368.29 and 7,342.14 is: 10,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.26 : 18,368.29 = 7,342.14 : x
  2. Step 2: Convert to fraction form
    13,310.26/18,368.29 = 7,342.14/x
  3. Step 3: Cross multiply
    13,310.26x = 18,368.29 × 7,342.14
  4. Step 4: Simplify right side
    13,310.26x = 134,862,556.74
  5. Step 5: Solve for x
    x = 134,862,556.74/13,310.26
  6. Step 6: Final answer
    x = 10,132.23

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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.