Home / 13,588.96-20,378.46-4,702.04

Finding the Fourth Proportional to 13,588.96, 20,378.46 and 4,702.04

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Solution

The fourth proportional to 13,588.96, 20,378.46 and 4,702.04 is: 7,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.96 : 20,378.46 = 4,702.04 : x
  2. Step 2: Convert to fraction form
    13,588.96/20,378.46 = 4,702.04/x
  3. Step 3: Cross multiply
    13,588.96x = 20,378.46 × 4,702.04
  4. Step 4: Simplify right side
    13,588.96x = 95,820,334.06
  5. Step 5: Solve for x
    x = 95,820,334.06/13,588.96
  6. Step 6: Final answer
    x = 7,051.34

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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.