Home / 18,670.08-25,760.96-14,192.64

Finding the Fourth Proportional to 18,670.08, 25,760.96 and 14,192.64

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Solution

The fourth proportional to 18,670.08, 25,760.96 and 14,192.64 is: 19,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.08 : 25,760.96 = 14,192.64 : x
  2. Step 2: Convert to fraction form
    18,670.08/25,760.96 = 14,192.64/x
  3. Step 3: Cross multiply
    18,670.08x = 25,760.96 × 14,192.64
  4. Step 4: Simplify right side
    18,670.08x = 365,616,031.33
  5. Step 5: Solve for x
    x = 365,616,031.33/18,670.08
  6. Step 6: Final answer
    x = 19,582.99

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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.