Home / 20,023.31-27,632.25-10,948.86

Finding the Fourth Proportional to 20,023.31, 27,632.25 and 10,948.86

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Solution

The fourth proportional to 20,023.31, 27,632.25 and 10,948.86 is: 15,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.31 : 27,632.25 = 10,948.86 : x
  2. Step 2: Convert to fraction form
    20,023.31/27,632.25 = 10,948.86/x
  3. Step 3: Cross multiply
    20,023.31x = 27,632.25 × 10,948.86
  4. Step 4: Simplify right side
    20,023.31x = 302,541,636.74
  5. Step 5: Solve for x
    x = 302,541,636.74/20,023.31
  6. Step 6: Final answer
    x = 15,109.47

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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.