Home / 14,964.15-20,650.28-8,158.25

Finding the Fourth Proportional to 14,964.15, 20,650.28 and 8,158.25

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Solution

The fourth proportional to 14,964.15, 20,650.28 and 8,158.25 is: 11,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.15 : 20,650.28 = 8,158.25 : x
  2. Step 2: Convert to fraction form
    14,964.15/20,650.28 = 8,158.25/x
  3. Step 3: Cross multiply
    14,964.15x = 20,650.28 × 8,158.25
  4. Step 4: Simplify right side
    14,964.15x = 168,470,002.77
  5. Step 5: Solve for x
    x = 168,470,002.77/14,964.15
  6. Step 6: Final answer
    x = 11,258.24

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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.