Home / 19,358.41-29,037.52-12,783.03

Finding the Fourth Proportional to 19,358.41, 29,037.52 and 12,783.03

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Solution

The fourth proportional to 19,358.41, 29,037.52 and 12,783.03 is: 19,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.41 : 29,037.52 = 12,783.03 : x
  2. Step 2: Convert to fraction form
    19,358.41/29,037.52 = 12,783.03/x
  3. Step 3: Cross multiply
    19,358.41x = 29,037.52 × 12,783.03
  4. Step 4: Simplify right side
    19,358.41x = 371,187,489.29
  5. Step 5: Solve for x
    x = 371,187,489.29/19,358.41
  6. Step 6: Final answer
    x = 19,174.48

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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.