Home / 17,430.86-26,138.12-6,329.81

Finding the Fourth Proportional to 17,430.86, 26,138.12 and 6,329.81

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Solution

The fourth proportional to 17,430.86, 26,138.12 and 6,329.81 is: 9,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.86 : 26,138.12 = 6,329.81 : x
  2. Step 2: Convert to fraction form
    17,430.86/26,138.12 = 6,329.81/x
  3. Step 3: Cross multiply
    17,430.86x = 26,138.12 × 6,329.81
  4. Step 4: Simplify right side
    17,430.86x = 165,449,171.02
  5. Step 5: Solve for x
    x = 165,449,171.02/17,430.86
  6. Step 6: Final answer
    x = 9,491.74

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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.