Home / 18,126.92-25,026.35-12,085.66

Finding the Fourth Proportional to 18,126.92, 25,026.35 and 12,085.66

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Solution

The fourth proportional to 18,126.92, 25,026.35 and 12,085.66 is: 16,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.92 : 25,026.35 = 12,085.66 : x
  2. Step 2: Convert to fraction form
    18,126.92/25,026.35 = 12,085.66/x
  3. Step 3: Cross multiply
    18,126.92x = 25,026.35 × 12,085.66
  4. Step 4: Simplify right side
    18,126.92x = 302,459,957.14
  5. Step 5: Solve for x
    x = 302,459,957.14/18,126.92
  6. Step 6: Final answer
    x = 16,685.68

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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.