Home / 18,429.84-25,229.70-18,298.08

Finding the Fourth Proportional to 18,429.84, 25,229.70 and 18,298.08

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Solution

The fourth proportional to 18,429.84, 25,229.70 and 18,298.08 is: 25,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.84 : 25,229.70 = 18,298.08 : x
  2. Step 2: Convert to fraction form
    18,429.84/25,229.70 = 18,298.08/x
  3. Step 3: Cross multiply
    18,429.84x = 25,229.70 × 18,298.08
  4. Step 4: Simplify right side
    18,429.84x = 461,655,068.98
  5. Step 5: Solve for x
    x = 461,655,068.98/18,429.84
  6. Step 6: Final answer
    x = 25,049.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.