Home / 14,979.85-20,673.08-8,266.98

Finding the Fourth Proportional to 14,979.85, 20,673.08 and 8,266.98

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Solution

The fourth proportional to 14,979.85, 20,673.08 and 8,266.98 is: 11,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.85 : 20,673.08 = 8,266.98 : x
  2. Step 2: Convert to fraction form
    14,979.85/20,673.08 = 8,266.98/x
  3. Step 3: Cross multiply
    14,979.85x = 20,673.08 × 8,266.98
  4. Step 4: Simplify right side
    14,979.85x = 170,903,938.90
  5. Step 5: Solve for x
    x = 170,903,938.90/14,979.85
  6. Step 6: Final answer
    x = 11,408.92

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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.