Home / 14,956.66-20,640.33-8,242.53

Finding the Fourth Proportional to 14,956.66, 20,640.33 and 8,242.53

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Solution

The fourth proportional to 14,956.66, 20,640.33 and 8,242.53 is: 11,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.66 : 20,640.33 = 8,242.53 : x
  2. Step 2: Convert to fraction form
    14,956.66/20,640.33 = 8,242.53/x
  3. Step 3: Cross multiply
    14,956.66x = 20,640.33 × 8,242.53
  4. Step 4: Simplify right side
    14,956.66x = 170,128,477.33
  5. Step 5: Solve for x
    x = 170,128,477.33/14,956.66
  6. Step 6: Final answer
    x = 11,374.76

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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.