Home / 14,980.85-20,673.38-8,266.76

Finding the Fourth Proportional to 14,980.85, 20,673.38 and 8,266.76

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Solution

The fourth proportional to 14,980.85, 20,673.38 and 8,266.76 is: 11,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.85 : 20,673.38 = 8,266.76 : x
  2. Step 2: Convert to fraction form
    14,980.85/20,673.38 = 8,266.76/x
  3. Step 3: Cross multiply
    14,980.85x = 20,673.38 × 8,266.76
  4. Step 4: Simplify right side
    14,980.85x = 170,901,819.17
  5. Step 5: Solve for x
    x = 170,901,819.17/14,980.85
  6. Step 6: Final answer
    x = 11,408.02

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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.