Home / 19,472.38-26,869.58-10,972.56

Finding the Fourth Proportional to 19,472.38, 26,869.58 and 10,972.56

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Solution

The fourth proportional to 19,472.38, 26,869.58 and 10,972.56 is: 15,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.38 : 26,869.58 = 10,972.56 : x
  2. Step 2: Convert to fraction form
    19,472.38/26,869.58 = 10,972.56/x
  3. Step 3: Cross multiply
    19,472.38x = 26,869.58 × 10,972.56
  4. Step 4: Simplify right side
    19,472.38x = 294,828,078.72
  5. Step 5: Solve for x
    x = 294,828,078.72/19,472.38
  6. Step 6: Final answer
    x = 15,140.83

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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.