Home / 13,916.73-20,878.17-4,056.77

Finding the Fourth Proportional to 13,916.73, 20,878.17 and 4,056.77

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Solution

The fourth proportional to 13,916.73, 20,878.17 and 4,056.77 is: 6,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.73 : 20,878.17 = 4,056.77 : x
  2. Step 2: Convert to fraction form
    13,916.73/20,878.17 = 4,056.77/x
  3. Step 3: Cross multiply
    13,916.73x = 20,878.17 × 4,056.77
  4. Step 4: Simplify right side
    13,916.73x = 84,697,933.71
  5. Step 5: Solve for x
    x = 84,697,933.71/13,916.73
  6. Step 6: Final answer
    x = 6,086.05

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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.