Home / 14,520.08-20,037.48-8,550.92

Finding the Fourth Proportional to 14,520.08, 20,037.48 and 8,550.92

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Solution

The fourth proportional to 14,520.08, 20,037.48 and 8,550.92 is: 11,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.08 : 20,037.48 = 8,550.92 : x
  2. Step 2: Convert to fraction form
    14,520.08/20,037.48 = 8,550.92/x
  3. Step 3: Cross multiply
    14,520.08x = 20,037.48 × 8,550.92
  4. Step 4: Simplify right side
    14,520.08x = 171,338,888.48
  5. Step 5: Solve for x
    x = 171,338,888.48/14,520.08
  6. Step 6: Final answer
    x = 11,800.13

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Double scale
Find fourth proportional to 14,521.08, 20,038.86 and 8,551.92
Similar ratio
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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.