Home / 14,673.77-20,249.41-8,386.14

Finding the Fourth Proportional to 14,673.77, 20,249.41 and 8,386.14

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Solution

The fourth proportional to 14,673.77, 20,249.41 and 8,386.14 is: 11,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.77 : 20,249.41 = 8,386.14 : x
  2. Step 2: Convert to fraction form
    14,673.77/20,249.41 = 8,386.14/x
  3. Step 3: Cross multiply
    14,673.77x = 20,249.41 × 8,386.14
  4. Step 4: Simplify right side
    14,673.77x = 169,814,387.18
  5. Step 5: Solve for x
    x = 169,814,387.18/14,673.77
  6. Step 6: Final answer
    x = 11,572.65

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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.