Home / 19,358.44-26,704.81-12,648.00

Finding the Fourth Proportional to 19,358.44, 26,704.81 and 12,648.00

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Solution

The fourth proportional to 19,358.44, 26,704.81 and 12,648.00 is: 17,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.44 : 26,704.81 = 12,648.00 : x
  2. Step 2: Convert to fraction form
    19,358.44/26,704.81 = 12,648.00/x
  3. Step 3: Cross multiply
    19,358.44x = 26,704.81 × 12,648.00
  4. Step 4: Simplify right side
    19,358.44x = 337,762,438.19
  5. Step 5: Solve for x
    x = 337,762,438.19/19,358.44
  6. Step 6: Final answer
    x = 17,447.81

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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.