Home / 14,803.88-20,419.96-11,259.32

Finding the Fourth Proportional to 14,803.88, 20,419.96 and 11,259.32

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Solution

The fourth proportional to 14,803.88, 20,419.96 and 11,259.32 is: 15,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.88 : 20,419.96 = 11,259.32 : x
  2. Step 2: Convert to fraction form
    14,803.88/20,419.96 = 11,259.32/x
  3. Step 3: Cross multiply
    14,803.88x = 20,419.96 × 11,259.32
  4. Step 4: Simplify right side
    14,803.88x = 229,914,864.03
  5. Step 5: Solve for x
    x = 229,914,864.03/14,803.88
  6. Step 6: Final answer
    x = 15,530.72

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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.