Home / 14,625.75-20,187.14-8,341.77

Finding the Fourth Proportional to 14,625.75, 20,187.14 and 8,341.77

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Solution

The fourth proportional to 14,625.75, 20,187.14 and 8,341.77 is: 11,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.75 : 20,187.14 = 8,341.77 : x
  2. Step 2: Convert to fraction form
    14,625.75/20,187.14 = 8,341.77/x
  3. Step 3: Cross multiply
    14,625.75x = 20,187.14 × 8,341.77
  4. Step 4: Simplify right side
    14,625.75x = 168,396,437.13
  5. Step 5: Solve for x
    x = 168,396,437.13/14,625.75
  6. Step 6: Final answer
    x = 11,513.70

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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.