Home / 13,466.28-20,153.52-12,297.72

Finding the Fourth Proportional to 13,466.28, 20,153.52 and 12,297.72

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Solution

The fourth proportional to 13,466.28, 20,153.52 and 12,297.72 is: 18,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.28 : 20,153.52 = 12,297.72 : x
  2. Step 2: Convert to fraction form
    13,466.28/20,153.52 = 12,297.72/x
  3. Step 3: Cross multiply
    13,466.28x = 20,153.52 × 12,297.72
  4. Step 4: Simplify right side
    13,466.28x = 247,842,345.97
  5. Step 5: Solve for x
    x = 247,842,345.97/13,466.28
  6. Step 6: Final answer
    x = 18,404.66

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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.