Home / 14,769.48-20,381.91-8,055.15

Finding the Fourth Proportional to 14,769.48, 20,381.91 and 8,055.15

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Solution

The fourth proportional to 14,769.48, 20,381.91 and 8,055.15 is: 11,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.48 : 20,381.91 = 8,055.15 : x
  2. Step 2: Convert to fraction form
    14,769.48/20,381.91 = 8,055.15/x
  3. Step 3: Cross multiply
    14,769.48x = 20,381.91 × 8,055.15
  4. Step 4: Simplify right side
    14,769.48x = 164,179,342.34
  5. Step 5: Solve for x
    x = 164,179,342.34/14,769.48
  6. Step 6: Final answer
    x = 11,116.12

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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.