Home / 14,832.15-20,468.28-8,117.67

Finding the Fourth Proportional to 14,832.15, 20,468.28 and 8,117.67

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Solution

The fourth proportional to 14,832.15, 20,468.28 and 8,117.67 is: 11,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.15 : 20,468.28 = 8,117.67 : x
  2. Step 2: Convert to fraction form
    14,832.15/20,468.28 = 8,117.67/x
  3. Step 3: Cross multiply
    14,832.15x = 20,468.28 × 8,117.67
  4. Step 4: Simplify right side
    14,832.15x = 166,154,742.51
  5. Step 5: Solve for x
    x = 166,154,742.51/14,832.15
  6. Step 6: Final answer
    x = 11,202.34

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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.