Home / 32,621.67-45,016.16-18,474.21

Finding the Fourth Proportional to 32,621.67, 45,016.16 and 18,474.21

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Solution

The fourth proportional to 32,621.67, 45,016.16 and 18,474.21 is: 25,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.67 : 45,016.16 = 18,474.21 : x
  2. Step 2: Convert to fraction form
    32,621.67/45,016.16 = 18,474.21/x
  3. Step 3: Cross multiply
    32,621.67x = 45,016.16 × 18,474.21
  4. Step 4: Simplify right side
    32,621.67x = 831,637,900.86
  5. Step 5: Solve for x
    x = 831,637,900.86/32,621.67
  6. Step 6: Final answer
    x = 25,493.42

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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.