Home / 17,122.86-23,629.56-9,670.86

Finding the Fourth Proportional to 17,122.86, 23,629.56 and 9,670.86

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Solution

The fourth proportional to 17,122.86, 23,629.56 and 9,670.86 is: 13,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.86 : 23,629.56 = 9,670.86 : x
  2. Step 2: Convert to fraction form
    17,122.86/23,629.56 = 9,670.86/x
  3. Step 3: Cross multiply
    17,122.86x = 23,629.56 × 9,670.86
  4. Step 4: Simplify right side
    17,122.86x = 228,518,166.62
  5. Step 5: Solve for x
    x = 228,518,166.62/17,122.86
  6. Step 6: Final answer
    x = 13,345.79

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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.