Home / 18,297.15-25,257.04-11,925.30

Finding the Fourth Proportional to 18,297.15, 25,257.04 and 11,925.30

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Solution

The fourth proportional to 18,297.15, 25,257.04 and 11,925.30 is: 16,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.15 : 25,257.04 = 11,925.30 : x
  2. Step 2: Convert to fraction form
    18,297.15/25,257.04 = 11,925.30/x
  3. Step 3: Cross multiply
    18,297.15x = 25,257.04 × 11,925.30
  4. Step 4: Simplify right side
    18,297.15x = 301,197,630.91
  5. Step 5: Solve for x
    x = 301,197,630.91/18,297.15
  6. Step 6: Final answer
    x = 16,461.45

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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.