Home / 14,981.23-20,673.74-8,266.86

Finding the Fourth Proportional to 14,981.23, 20,673.74 and 8,266.86

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Solution

The fourth proportional to 14,981.23, 20,673.74 and 8,266.86 is: 11,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.23 : 20,673.74 = 8,266.86 : x
  2. Step 2: Convert to fraction form
    14,981.23/20,673.74 = 8,266.86/x
  3. Step 3: Cross multiply
    14,981.23x = 20,673.74 × 8,266.86
  4. Step 4: Simplify right side
    14,981.23x = 170,906,810.89
  5. Step 5: Solve for x
    x = 170,906,810.89/14,981.23
  6. Step 6: Final answer
    x = 11,408.06

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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.