Home / 16,118.82-22,244.37-9,045.78

Finding the Fourth Proportional to 16,118.82, 22,244.37 and 9,045.78

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Solution

The fourth proportional to 16,118.82, 22,244.37 and 9,045.78 is: 12,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.82 : 22,244.37 = 9,045.78 : x
  2. Step 2: Convert to fraction form
    16,118.82/22,244.37 = 9,045.78/x
  3. Step 3: Cross multiply
    16,118.82x = 22,244.37 × 9,045.78
  4. Step 4: Simplify right side
    16,118.82x = 201,217,677.26
  5. Step 5: Solve for x
    x = 201,217,677.26/16,118.82
  6. Step 6: Final answer
    x = 12,483.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.