Home / 13,916.54-20,875.04-4,056.36

Finding the Fourth Proportional to 13,916.54, 20,875.04 and 4,056.36

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Solution

The fourth proportional to 13,916.54, 20,875.04 and 4,056.36 is: 6,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.54 : 20,875.04 = 4,056.36 : x
  2. Step 2: Convert to fraction form
    13,916.54/20,875.04 = 4,056.36/x
  3. Step 3: Cross multiply
    13,916.54x = 20,875.04 × 4,056.36
  4. Step 4: Simplify right side
    13,916.54x = 84,676,656.97
  5. Step 5: Solve for x
    x = 84,676,656.97/13,916.54
  6. Step 6: Final answer
    x = 6,084.61

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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.