Home / 14,769.70-20,381.85-8,055.33

Finding the Fourth Proportional to 14,769.70, 20,381.85 and 8,055.33

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Solution

The fourth proportional to 14,769.70, 20,381.85 and 8,055.33 is: 11,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.70 : 20,381.85 = 8,055.33 : x
  2. Step 2: Convert to fraction form
    14,769.70/20,381.85 = 8,055.33/x
  3. Step 3: Cross multiply
    14,769.70x = 20,381.85 × 8,055.33
  4. Step 4: Simplify right side
    14,769.70x = 164,182,527.76
  5. Step 5: Solve for x
    x = 164,182,527.76/14,769.70
  6. Step 6: Final answer
    x = 11,116.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.