Home / 13,916.97-20,875.50-4,056.51

Finding the Fourth Proportional to 13,916.97, 20,875.50 and 4,056.51

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Solution

The fourth proportional to 13,916.97, 20,875.50 and 4,056.51 is: 6,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.97 : 20,875.50 = 4,056.51 : x
  2. Step 2: Convert to fraction form
    13,916.97/20,875.50 = 4,056.51/x
  3. Step 3: Cross multiply
    13,916.97x = 20,875.50 × 4,056.51
  4. Step 4: Simplify right side
    13,916.97x = 84,681,674.51
  5. Step 5: Solve for x
    x = 84,681,674.51/13,916.97
  6. Step 6: Final answer
    x = 6,084.78

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1.5x scale

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.