Home / 18,422.22-27,613.66-10,507.69

Finding the Fourth Proportional to 18,422.22, 27,613.66 and 10,507.69

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Solution

The fourth proportional to 18,422.22, 27,613.66 and 10,507.69 is: 15,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.22 : 27,613.66 = 10,507.69 : x
  2. Step 2: Convert to fraction form
    18,422.22/27,613.66 = 10,507.69/x
  3. Step 3: Cross multiply
    18,422.22x = 27,613.66 × 10,507.69
  4. Step 4: Simplify right side
    18,422.22x = 290,155,779.05
  5. Step 5: Solve for x
    x = 290,155,779.05/18,422.22
  6. Step 6: Final answer
    x = 15,750.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.