Home / 14,548.77-21,832.74-7,979.58

Finding the Fourth Proportional to 14,548.77, 21,832.74 and 7,979.58

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Solution

The fourth proportional to 14,548.77, 21,832.74 and 7,979.58 is: 11,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.77 : 21,832.74 = 7,979.58 : x
  2. Step 2: Convert to fraction form
    14,548.77/21,832.74 = 7,979.58/x
  3. Step 3: Cross multiply
    14,548.77x = 21,832.74 × 7,979.58
  4. Step 4: Simplify right side
    14,548.77x = 174,216,095.45
  5. Step 5: Solve for x
    x = 174,216,095.45/14,548.77
  6. Step 6: Final answer
    x = 11,974.63

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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.