Home / 19,586.61-29,390.67-8,493.39

Finding the Fourth Proportional to 19,586.61, 29,390.67 and 8,493.39

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Solution

The fourth proportional to 19,586.61, 29,390.67 and 8,493.39 is: 12,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.61 : 29,390.67 = 8,493.39 : x
  2. Step 2: Convert to fraction form
    19,586.61/29,390.67 = 8,493.39/x
  3. Step 3: Cross multiply
    19,586.61x = 29,390.67 × 8,493.39
  4. Step 4: Simplify right side
    19,586.61x = 249,626,422.67
  5. Step 5: Solve for x
    x = 249,626,422.67/19,586.61
  6. Step 6: Final answer
    x = 12,744.75

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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.