Home / 26,926.38-37,145.64-18,972.98

Finding the Fourth Proportional to 26,926.38, 37,145.64 and 18,972.98

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Solution

The fourth proportional to 26,926.38, 37,145.64 and 18,972.98 is: 26,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.38 : 37,145.64 = 18,972.98 : x
  2. Step 2: Convert to fraction form
    26,926.38/37,145.64 = 18,972.98/x
  3. Step 3: Cross multiply
    26,926.38x = 37,145.64 × 18,972.98
  4. Step 4: Simplify right side
    26,926.38x = 704,763,484.81
  5. Step 5: Solve for x
    x = 704,763,484.81/26,926.38
  6. Step 6: Final answer
    x = 26,173.72

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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.