Home / 18,154.08-25,044.48-11,865.60

Finding the Fourth Proportional to 18,154.08, 25,044.48 and 11,865.60

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Solution

The fourth proportional to 18,154.08, 25,044.48 and 11,865.60 is: 16,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.08 : 25,044.48 = 11,865.60 : x
  2. Step 2: Convert to fraction form
    18,154.08/25,044.48 = 11,865.60/x
  3. Step 3: Cross multiply
    18,154.08x = 25,044.48 × 11,865.60
  4. Step 4: Simplify right side
    18,154.08x = 297,167,781.89
  5. Step 5: Solve for x
    x = 297,167,781.89/18,154.08
  6. Step 6: Final answer
    x = 16,369.20

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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.