Home / 32,621.60-45,016.30-18,474.55

Finding the Fourth Proportional to 32,621.60, 45,016.30 and 18,474.55

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Solution

The fourth proportional to 32,621.60, 45,016.30 and 18,474.55 is: 25,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.60 : 45,016.30 = 18,474.55 : x
  2. Step 2: Convert to fraction form
    32,621.60/45,016.30 = 18,474.55/x
  3. Step 3: Cross multiply
    32,621.60x = 45,016.30 × 18,474.55
  4. Step 4: Simplify right side
    32,621.60x = 831,655,885.17
  5. Step 5: Solve for x
    x = 831,655,885.17/32,621.60
  6. Step 6: Final answer
    x = 25,494.02

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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.