Home / 13,021.14-17,967.51-7,356.20

Finding the Fourth Proportional to 13,021.14, 17,967.51 and 7,356.20

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Solution

The fourth proportional to 13,021.14, 17,967.51 and 7,356.20 is: 10,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.14 : 17,967.51 = 7,356.20 : x
  2. Step 2: Convert to fraction form
    13,021.14/17,967.51 = 7,356.20/x
  3. Step 3: Cross multiply
    13,021.14x = 17,967.51 × 7,356.20
  4. Step 4: Simplify right side
    13,021.14x = 132,172,507.22
  5. Step 5: Solve for x
    x = 132,172,507.22/13,021.14
  6. Step 6: Final answer
    x = 10,150.61

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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.