Home / 18,910.61-26,096.42-10,412.55

Finding the Fourth Proportional to 18,910.61, 26,096.42 and 10,412.55

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Solution

The fourth proportional to 18,910.61, 26,096.42 and 10,412.55 is: 14,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.61 : 26,096.42 = 10,412.55 : x
  2. Step 2: Convert to fraction form
    18,910.61/26,096.42 = 10,412.55/x
  3. Step 3: Cross multiply
    18,910.61x = 26,096.42 × 10,412.55
  4. Step 4: Simplify right side
    18,910.61x = 271,730,226.01
  5. Step 5: Solve for x
    x = 271,730,226.01/18,910.61
  6. Step 6: Final answer
    x = 14,369.20

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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.