Home / 23,161.86-32,004.45-18,139.86

Finding the Fourth Proportional to 23,161.86, 32,004.45 and 18,139.86

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Solution

The fourth proportional to 23,161.86, 32,004.45 and 18,139.86 is: 25,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.86 : 32,004.45 = 18,139.86 : x
  2. Step 2: Convert to fraction form
    23,161.86/32,004.45 = 18,139.86/x
  3. Step 3: Cross multiply
    23,161.86x = 32,004.45 × 18,139.86
  4. Step 4: Simplify right side
    23,161.86x = 580,556,242.38
  5. Step 5: Solve for x
    x = 580,556,242.38/23,161.86
  6. Step 6: Final answer
    x = 25,065.18

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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.