Home / 14,948.77-20,629.14-8,234.29

Finding the Fourth Proportional to 14,948.77, 20,629.14 and 8,234.29

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Solution

The fourth proportional to 14,948.77, 20,629.14 and 8,234.29 is: 11,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.77 : 20,629.14 = 8,234.29 : x
  2. Step 2: Convert to fraction form
    14,948.77/20,629.14 = 8,234.29/x
  3. Step 3: Cross multiply
    14,948.77x = 20,629.14 × 8,234.29
  4. Step 4: Simplify right side
    14,948.77x = 169,866,321.21
  5. Step 5: Solve for x
    x = 169,866,321.21/14,948.77
  6. Step 6: Final answer
    x = 11,363.23

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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.