Home / 14,980.22-20,672.70-8,266.28

Finding the Fourth Proportional to 14,980.22, 20,672.70 and 8,266.28

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Solution

The fourth proportional to 14,980.22, 20,672.70 and 8,266.28 is: 11,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.22 : 20,672.70 = 8,266.28 : x
  2. Step 2: Convert to fraction form
    14,980.22/20,672.70 = 8,266.28/x
  3. Step 3: Cross multiply
    14,980.22x = 20,672.70 × 8,266.28
  4. Step 4: Simplify right side
    14,980.22x = 170,886,326.56
  5. Step 5: Solve for x
    x = 170,886,326.56/14,980.22
  6. Step 6: Final answer
    x = 11,407.46

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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.