Home / 25,184.60-37,766.10-12,699.80

Finding the Fourth Proportional to 25,184.60, 37,766.10 and 12,699.80

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Solution

The fourth proportional to 25,184.60, 37,766.10 and 12,699.80 is: 19,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,184.60 : 37,766.10 = 12,699.80 : x
  2. Step 2: Convert to fraction form
    25,184.60/37,766.10 = 12,699.80/x
  3. Step 3: Cross multiply
    25,184.60x = 37,766.10 × 12,699.80
  4. Step 4: Simplify right side
    25,184.60x = 479,621,916.78
  5. Step 5: Solve for x
    x = 479,621,916.78/25,184.60
  6. Step 6: Final answer
    x = 19,044.25

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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.