Home / 14,177.35-21,258.90-8,256.16

Finding the Fourth Proportional to 14,177.35, 21,258.90 and 8,256.16

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Solution

The fourth proportional to 14,177.35, 21,258.90 and 8,256.16 is: 12,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.35 : 21,258.90 = 8,256.16 : x
  2. Step 2: Convert to fraction form
    14,177.35/21,258.90 = 8,256.16/x
  3. Step 3: Cross multiply
    14,177.35x = 21,258.90 × 8,256.16
  4. Step 4: Simplify right side
    14,177.35x = 175,516,879.82
  5. Step 5: Solve for x
    x = 175,516,879.82/14,177.35
  6. Step 6: Final answer
    x = 12,380.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.