Home / 16,921.69-25,261.42-14,707.96

Finding the Fourth Proportional to 16,921.69, 25,261.42 and 14,707.96

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Solution

The fourth proportional to 16,921.69, 25,261.42 and 14,707.96 is: 21,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.69 : 25,261.42 = 14,707.96 : x
  2. Step 2: Convert to fraction form
    16,921.69/25,261.42 = 14,707.96/x
  3. Step 3: Cross multiply
    16,921.69x = 25,261.42 × 14,707.96
  4. Step 4: Simplify right side
    16,921.69x = 371,543,954.90
  5. Step 5: Solve for x
    x = 371,543,954.90/16,921.69
  6. Step 6: Final answer
    x = 21,956.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.