Home / 13,708.02-20,548.32-6,317.82

Finding the Fourth Proportional to 13,708.02, 20,548.32 and 6,317.82

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Solution

The fourth proportional to 13,708.02, 20,548.32 and 6,317.82 is: 9,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.02 : 20,548.32 = 6,317.82 : x
  2. Step 2: Convert to fraction form
    13,708.02/20,548.32 = 6,317.82/x
  3. Step 3: Cross multiply
    13,708.02x = 20,548.32 × 6,317.82
  4. Step 4: Simplify right side
    13,708.02x = 129,820,587.06
  5. Step 5: Solve for x
    x = 129,820,587.06/13,708.02
  6. Step 6: Final answer
    x = 9,470.41

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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.