Home / 13,603.32-20,402.67-6,206.04

Finding the Fourth Proportional to 13,603.32, 20,402.67 and 6,206.04

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Solution

The fourth proportional to 13,603.32, 20,402.67 and 6,206.04 is: 9,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.32 : 20,402.67 = 6,206.04 : x
  2. Step 2: Convert to fraction form
    13,603.32/20,402.67 = 6,206.04/x
  3. Step 3: Cross multiply
    13,603.32x = 20,402.67 × 6,206.04
  4. Step 4: Simplify right side
    13,603.32x = 126,619,860.41
  5. Step 5: Solve for x
    x = 126,619,860.41/13,603.32
  6. Step 6: Final answer
    x = 9,308.01

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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.