Home / 14,739.12-22,157.28-13,656.96

Finding the Fourth Proportional to 14,739.12, 22,157.28 and 13,656.96

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Solution

The fourth proportional to 14,739.12, 22,157.28 and 13,656.96 is: 20,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.12 : 22,157.28 = 13,656.96 : x
  2. Step 2: Convert to fraction form
    14,739.12/22,157.28 = 13,656.96/x
  3. Step 3: Cross multiply
    14,739.12x = 22,157.28 × 13,656.96
  4. Step 4: Simplify right side
    14,739.12x = 302,601,086.67
  5. Step 5: Solve for x
    x = 302,601,086.67/14,739.12
  6. Step 6: Final answer
    x = 20,530.47

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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.