Home / 13,373.98-20,060.96-5,480.19

Finding the Fourth Proportional to 13,373.98, 20,060.96 and 5,480.19

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Solution

The fourth proportional to 13,373.98, 20,060.96 and 5,480.19 is: 8,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.98 : 20,060.96 = 5,480.19 : x
  2. Step 2: Convert to fraction form
    13,373.98/20,060.96 = 5,480.19/x
  3. Step 3: Cross multiply
    13,373.98x = 20,060.96 × 5,480.19
  4. Step 4: Simplify right side
    13,373.98x = 109,937,844.98
  5. Step 5: Solve for x
    x = 109,937,844.98/13,373.98
  6. Step 6: Final answer
    x = 8,220.28

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1.5x scale

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.