Home / 13,201.84-18,213.36-7,535.04

Finding the Fourth Proportional to 13,201.84, 18,213.36 and 7,535.04

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Solution

The fourth proportional to 13,201.84, 18,213.36 and 7,535.04 is: 10,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.84 : 18,213.36 = 7,535.04 : x
  2. Step 2: Convert to fraction form
    13,201.84/18,213.36 = 7,535.04/x
  3. Step 3: Cross multiply
    13,201.84x = 18,213.36 × 7,535.04
  4. Step 4: Simplify right side
    13,201.84x = 137,238,396.13
  5. Step 5: Solve for x
    x = 137,238,396.13/13,201.84
  6. Step 6: Final answer
    x = 10,395.40

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Double scale
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Similar ratio
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1.5x scale

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.