Home / 19,434.96-26,829.24-12,371.04

Finding the Fourth Proportional to 19,434.96, 26,829.24 and 12,371.04

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Solution

The fourth proportional to 19,434.96, 26,829.24 and 12,371.04 is: 17,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.96 : 26,829.24 = 12,371.04 : x
  2. Step 2: Convert to fraction form
    19,434.96/26,829.24 = 12,371.04/x
  3. Step 3: Cross multiply
    19,434.96x = 26,829.24 × 12,371.04
  4. Step 4: Simplify right side
    19,434.96x = 331,905,601.21
  5. Step 5: Solve for x
    x = 331,905,601.21/19,434.96
  6. Step 6: Final answer
    x = 17,077.76

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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.