Home / 13,322.97-19,979.25-4,998.45

Finding the Fourth Proportional to 13,322.97, 19,979.25 and 4,998.45

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Solution

The fourth proportional to 13,322.97, 19,979.25 and 4,998.45 is: 7,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.97 : 19,979.25 = 4,998.45 : x
  2. Step 2: Convert to fraction form
    13,322.97/19,979.25 = 4,998.45/x
  3. Step 3: Cross multiply
    13,322.97x = 19,979.25 × 4,998.45
  4. Step 4: Simplify right side
    13,322.97x = 99,865,282.16
  5. Step 5: Solve for x
    x = 99,865,282.16/13,322.97
  6. Step 6: Final answer
    x = 7,495.72

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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.