Home / 13,902.16-20,857.13-5,588.02

Finding the Fourth Proportional to 13,902.16, 20,857.13 and 5,588.02

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Solution

The fourth proportional to 13,902.16, 20,857.13 and 5,588.02 is: 8,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.16 : 20,857.13 = 5,588.02 : x
  2. Step 2: Convert to fraction form
    13,902.16/20,857.13 = 5,588.02/x
  3. Step 3: Cross multiply
    13,902.16x = 20,857.13 × 5,588.02
  4. Step 4: Simplify right side
    13,902.16x = 116,550,059.58
  5. Step 5: Solve for x
    x = 116,550,059.58/13,902.16
  6. Step 6: Final answer
    x = 8,383.59

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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.