Home / 14,523.96-21,751.38-8,355

Finding the Fourth Proportional to 14,523.96, 21,751.38 and 8,355

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Solution

The fourth proportional to 14,523.96, 21,751.38 and 8,355 is: 12,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.96 : 21,751.38 = 8,355 : x
  2. Step 2: Convert to fraction form
    14,523.96/21,751.38 = 8,355/x
  3. Step 3: Cross multiply
    14,523.96x = 21,751.38 × 8,355
  4. Step 4: Simplify right side
    14,523.96x = 181,732,779.90
  5. Step 5: Solve for x
    x = 181,732,779.90/14,523.96
  6. Step 6: Final answer
    x = 12,512.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.