Home / 13,427.54-18,464.28-11,656.04

Finding the Fourth Proportional to 13,427.54, 18,464.28 and 11,656.04

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Solution

The fourth proportional to 13,427.54, 18,464.28 and 11,656.04 is: 16,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.54 : 18,464.28 = 11,656.04 : x
  2. Step 2: Convert to fraction form
    13,427.54/18,464.28 = 11,656.04/x
  3. Step 3: Cross multiply
    13,427.54x = 18,464.28 × 11,656.04
  4. Step 4: Simplify right side
    13,427.54x = 215,220,386.25
  5. Step 5: Solve for x
    x = 215,220,386.25/13,427.54
  6. Step 6: Final answer
    x = 16,028.28

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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.