Home / 14,769.16-20,381.56-8,054.84

Finding the Fourth Proportional to 14,769.16, 20,381.56 and 8,054.84

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Solution

The fourth proportional to 14,769.16, 20,381.56 and 8,054.84 is: 11,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.16 : 20,381.56 = 8,054.84 : x
  2. Step 2: Convert to fraction form
    14,769.16/20,381.56 = 8,054.84/x
  3. Step 3: Cross multiply
    14,769.16x = 20,381.56 × 8,054.84
  4. Step 4: Simplify right side
    14,769.16x = 164,170,204.75
  5. Step 5: Solve for x
    x = 164,170,204.75/14,769.16
  6. Step 6: Final answer
    x = 11,115.74

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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.