Home / 16,979.32-25,466.10-5,291.63

Finding the Fourth Proportional to 16,979.32, 25,466.10 and 5,291.63

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Solution

The fourth proportional to 16,979.32, 25,466.10 and 5,291.63 is: 7,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.32 : 25,466.10 = 5,291.63 : x
  2. Step 2: Convert to fraction form
    16,979.32/25,466.10 = 5,291.63/x
  3. Step 3: Cross multiply
    16,979.32x = 25,466.10 × 5,291.63
  4. Step 4: Simplify right side
    16,979.32x = 134,757,127.07
  5. Step 5: Solve for x
    x = 134,757,127.07/16,979.32
  6. Step 6: Final answer
    x = 7,936.54

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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.