Home / 13,916.46-20,867.49-6,116.34

Finding the Fourth Proportional to 13,916.46, 20,867.49 and 6,116.34

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Solution

The fourth proportional to 13,916.46, 20,867.49 and 6,116.34 is: 9,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.46 : 20,867.49 = 6,116.34 : x
  2. Step 2: Convert to fraction form
    13,916.46/20,867.49 = 6,116.34/x
  3. Step 3: Cross multiply
    13,916.46x = 20,867.49 × 6,116.34
  4. Step 4: Simplify right side
    13,916.46x = 127,632,663.79
  5. Step 5: Solve for x
    x = 127,632,663.79/13,916.46
  6. Step 6: Final answer
    x = 9,171.35

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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.