Home / 18,088.12-24,976.88-13,604.05

Finding the Fourth Proportional to 18,088.12, 24,976.88 and 13,604.05

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Solution

The fourth proportional to 18,088.12, 24,976.88 and 13,604.05 is: 18,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.12 : 24,976.88 = 13,604.05 : x
  2. Step 2: Convert to fraction form
    18,088.12/24,976.88 = 13,604.05/x
  3. Step 3: Cross multiply
    18,088.12x = 24,976.88 × 13,604.05
  4. Step 4: Simplify right side
    18,088.12x = 339,786,724.36
  5. Step 5: Solve for x
    x = 339,786,724.36/18,088.12
  6. Step 6: Final answer
    x = 18,785.08

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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.