Home / 16,434.18-22,655.25-13,078.44

Finding the Fourth Proportional to 16,434.18, 22,655.25 and 13,078.44

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Solution

The fourth proportional to 16,434.18, 22,655.25 and 13,078.44 is: 18,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.18 : 22,655.25 = 13,078.44 : x
  2. Step 2: Convert to fraction form
    16,434.18/22,655.25 = 13,078.44/x
  3. Step 3: Cross multiply
    16,434.18x = 22,655.25 × 13,078.44
  4. Step 4: Simplify right side
    16,434.18x = 296,295,327.81
  5. Step 5: Solve for x
    x = 296,295,327.81/16,434.18
  6. Step 6: Final answer
    x = 18,029.21

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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.