Home / 19,688.86-29,535.72-8,000.56

Finding the Fourth Proportional to 19,688.86, 29,535.72 and 8,000.56

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Solution

The fourth proportional to 19,688.86, 29,535.72 and 8,000.56 is: 12,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.86 : 29,535.72 = 8,000.56 : x
  2. Step 2: Convert to fraction form
    19,688.86/29,535.72 = 8,000.56/x
  3. Step 3: Cross multiply
    19,688.86x = 29,535.72 × 8,000.56
  4. Step 4: Simplify right side
    19,688.86x = 236,302,300.00
  5. Step 5: Solve for x
    x = 236,302,300.00/19,688.86
  6. Step 6: Final answer
    x = 12,001.83

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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.