Home / 23,520.81-32,457.96-13,449.08

Finding the Fourth Proportional to 23,520.81, 32,457.96 and 13,449.08

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Solution

The fourth proportional to 23,520.81, 32,457.96 and 13,449.08 is: 18,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.81 : 32,457.96 = 13,449.08 : x
  2. Step 2: Convert to fraction form
    23,520.81/32,457.96 = 13,449.08/x
  3. Step 3: Cross multiply
    23,520.81x = 32,457.96 × 13,449.08
  4. Step 4: Simplify right side
    23,520.81x = 436,529,538.39
  5. Step 5: Solve for x
    x = 436,529,538.39/23,520.81
  6. Step 6: Final answer
    x = 18,559.29

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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.