Home / 18,235.76-27,343.20-10,845.38

Finding the Fourth Proportional to 18,235.76, 27,343.20 and 10,845.38

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Solution

The fourth proportional to 18,235.76, 27,343.20 and 10,845.38 is: 16,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.76 : 27,343.20 = 10,845.38 : x
  2. Step 2: Convert to fraction form
    18,235.76/27,343.20 = 10,845.38/x
  3. Step 3: Cross multiply
    18,235.76x = 27,343.20 × 10,845.38
  4. Step 4: Simplify right side
    18,235.76x = 296,547,394.42
  5. Step 5: Solve for x
    x = 296,547,394.42/18,235.76
  6. Step 6: Final answer
    x = 16,261.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.