Home / 18,522.04-25,560.34-12,235.72

Finding the Fourth Proportional to 18,522.04, 25,560.34 and 12,235.72

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Solution

The fourth proportional to 18,522.04, 25,560.34 and 12,235.72 is: 16,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.04 : 25,560.34 = 12,235.72 : x
  2. Step 2: Convert to fraction form
    18,522.04/25,560.34 = 12,235.72/x
  3. Step 3: Cross multiply
    18,522.04x = 25,560.34 × 12,235.72
  4. Step 4: Simplify right side
    18,522.04x = 312,749,163.34
  5. Step 5: Solve for x
    x = 312,749,163.34/18,522.04
  6. Step 6: Final answer
    x = 16,885.24

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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.