Home / 14,939.18-20,619.31-8,566.81

Finding the Fourth Proportional to 14,939.18, 20,619.31 and 8,566.81

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Solution

The fourth proportional to 14,939.18, 20,619.31 and 8,566.81 is: 11,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.18 : 20,619.31 = 8,566.81 : x
  2. Step 2: Convert to fraction form
    14,939.18/20,619.31 = 8,566.81/x
  3. Step 3: Cross multiply
    14,939.18x = 20,619.31 × 8,566.81
  4. Step 4: Simplify right side
    14,939.18x = 176,641,770.18
  5. Step 5: Solve for x
    x = 176,641,770.18/14,939.18
  6. Step 6: Final answer
    x = 11,824.06

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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.