Home / 18,832.39-25,985.98-12,127.11

Finding the Fourth Proportional to 18,832.39, 25,985.98 and 12,127.11

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Solution

The fourth proportional to 18,832.39, 25,985.98 and 12,127.11 is: 16,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.39 : 25,985.98 = 12,127.11 : x
  2. Step 2: Convert to fraction form
    18,832.39/25,985.98 = 12,127.11/x
  3. Step 3: Cross multiply
    18,832.39x = 25,985.98 × 12,127.11
  4. Step 4: Simplify right side
    18,832.39x = 315,134,837.92
  5. Step 5: Solve for x
    x = 315,134,837.92/18,832.39
  6. Step 6: Final answer
    x = 16,733.66

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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.