Home / 15,666.15-23,499.29-3,979.33

Finding the Fourth Proportional to 15,666.15, 23,499.29 and 3,979.33

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Solution

The fourth proportional to 15,666.15, 23,499.29 and 3,979.33 is: 5,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.15 : 23,499.29 = 3,979.33 : x
  2. Step 2: Convert to fraction form
    15,666.15/23,499.29 = 3,979.33/x
  3. Step 3: Cross multiply
    15,666.15x = 23,499.29 × 3,979.33
  4. Step 4: Simplify right side
    15,666.15x = 93,511,429.68
  5. Step 5: Solve for x
    x = 93,511,429.68/15,666.15
  6. Step 6: Final answer
    x = 5,969.01

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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.