Home / 19,472.43-26,871.60-10,974.90

Finding the Fourth Proportional to 19,472.43, 26,871.60 and 10,974.90

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Solution

The fourth proportional to 19,472.43, 26,871.60 and 10,974.90 is: 15,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.43 : 26,871.60 = 10,974.90 : x
  2. Step 2: Convert to fraction form
    19,472.43/26,871.60 = 10,974.90/x
  3. Step 3: Cross multiply
    19,472.43x = 26,871.60 × 10,974.90
  4. Step 4: Simplify right side
    19,472.43x = 294,913,122.84
  5. Step 5: Solve for x
    x = 294,913,122.84/19,472.43
  6. Step 6: Final answer
    x = 15,145.16

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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.