Home / 16,488.66-22,755.47-9,316.09

Finding the Fourth Proportional to 16,488.66, 22,755.47 and 9,316.09

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Solution

The fourth proportional to 16,488.66, 22,755.47 and 9,316.09 is: 12,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.66 : 22,755.47 = 9,316.09 : x
  2. Step 2: Convert to fraction form
    16,488.66/22,755.47 = 9,316.09/x
  3. Step 3: Cross multiply
    16,488.66x = 22,755.47 × 9,316.09
  4. Step 4: Simplify right side
    16,488.66x = 211,992,006.51
  5. Step 5: Solve for x
    x = 211,992,006.51/16,488.66
  6. Step 6: Final answer
    x = 12,856.84

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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.