Home / 19,432.85-29,124.68-12,410.15

Finding the Fourth Proportional to 19,432.85, 29,124.68 and 12,410.15

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Solution

The fourth proportional to 19,432.85, 29,124.68 and 12,410.15 is: 18,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.85 : 29,124.68 = 12,410.15 : x
  2. Step 2: Convert to fraction form
    19,432.85/29,124.68 = 12,410.15/x
  3. Step 3: Cross multiply
    19,432.85x = 29,124.68 × 12,410.15
  4. Step 4: Simplify right side
    19,432.85x = 361,441,658.26
  5. Step 5: Solve for x
    x = 361,441,658.26/19,432.85
  6. Step 6: Final answer
    x = 18,599.52

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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.