Home / 13,452-18,564.35-11,210.12

Finding the Fourth Proportional to 13,452, 18,564.35 and 11,210.12

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Solution

The fourth proportional to 13,452, 18,564.35 and 11,210.12 is: 15,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452 : 18,564.35 = 11,210.12 : x
  2. Step 2: Convert to fraction form
    13,452/18,564.35 = 11,210.12/x
  3. Step 3: Cross multiply
    13,452x = 18,564.35 × 11,210.12
  4. Step 4: Simplify right side
    13,452x = 208,108,591.22
  5. Step 5: Solve for x
    x = 208,108,591.22/13,452
  6. Step 6: Final answer
    x = 15,470.46

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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.