Home / 21,973.88-32,960.82-12,746.36

Finding the Fourth Proportional to 21,973.88, 32,960.82 and 12,746.36

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Solution

The fourth proportional to 21,973.88, 32,960.82 and 12,746.36 is: 19,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.88 : 32,960.82 = 12,746.36 : x
  2. Step 2: Convert to fraction form
    21,973.88/32,960.82 = 12,746.36/x
  3. Step 3: Cross multiply
    21,973.88x = 32,960.82 × 12,746.36
  4. Step 4: Simplify right side
    21,973.88x = 420,130,477.62
  5. Step 5: Solve for x
    x = 420,130,477.62/21,973.88
  6. Step 6: Final answer
    x = 19,119.54

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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.