Home / 13,598.88-18,777.52-11,081.36

Finding the Fourth Proportional to 13,598.88, 18,777.52 and 11,081.36

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Solution

The fourth proportional to 13,598.88, 18,777.52 and 11,081.36 is: 15,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.88 : 18,777.52 = 11,081.36 : x
  2. Step 2: Convert to fraction form
    13,598.88/18,777.52 = 11,081.36/x
  3. Step 3: Cross multiply
    13,598.88x = 18,777.52 × 11,081.36
  4. Step 4: Simplify right side
    13,598.88x = 208,080,459.03
  5. Step 5: Solve for x
    x = 208,080,459.03/13,598.88
  6. Step 6: Final answer
    x = 15,301.29

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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.