Home / 21,678.55-32,519.99-5,883.84

Finding the Fourth Proportional to 21,678.55, 32,519.99 and 5,883.84

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Solution

The fourth proportional to 21,678.55, 32,519.99 and 5,883.84 is: 8,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.55 : 32,519.99 = 5,883.84 : x
  2. Step 2: Convert to fraction form
    21,678.55/32,519.99 = 5,883.84/x
  3. Step 3: Cross multiply
    21,678.55x = 32,519.99 × 5,883.84
  4. Step 4: Simplify right side
    21,678.55x = 191,342,432.67
  5. Step 5: Solve for x
    x = 191,342,432.67/21,678.55
  6. Step 6: Final answer
    x = 8,826.35

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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.