Home / 18,179.93-25,088.48-11,106.36

Finding the Fourth Proportional to 18,179.93, 25,088.48 and 11,106.36

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Solution

The fourth proportional to 18,179.93, 25,088.48 and 11,106.36 is: 15,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.93 : 25,088.48 = 11,106.36 : x
  2. Step 2: Convert to fraction form
    18,179.93/25,088.48 = 11,106.36/x
  3. Step 3: Cross multiply
    18,179.93x = 25,088.48 × 11,106.36
  4. Step 4: Simplify right side
    18,179.93x = 278,641,635.20
  5. Step 5: Solve for x
    x = 278,641,635.20/18,179.93
  6. Step 6: Final answer
    x = 15,326.89

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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.