Home / 36,459.09-54,655.83-13,080.06

Finding the Fourth Proportional to 36,459.09, 54,655.83 and 13,080.06

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Solution

The fourth proportional to 36,459.09, 54,655.83 and 13,080.06 is: 19,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459.09 : 54,655.83 = 13,080.06 : x
  2. Step 2: Convert to fraction form
    36,459.09/54,655.83 = 13,080.06/x
  3. Step 3: Cross multiply
    36,459.09x = 54,655.83 × 13,080.06
  4. Step 4: Simplify right side
    36,459.09x = 714,901,535.75
  5. Step 5: Solve for x
    x = 714,901,535.75/36,459.09
  6. Step 6: Final answer
    x = 19,608.32

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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.