Home / 21,058.62-29,048.31-12,673.50

Finding the Fourth Proportional to 21,058.62, 29,048.31 and 12,673.50

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Solution

The fourth proportional to 21,058.62, 29,048.31 and 12,673.50 is: 17,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.62 : 29,048.31 = 12,673.50 : x
  2. Step 2: Convert to fraction form
    21,058.62/29,048.31 = 12,673.50/x
  3. Step 3: Cross multiply
    21,058.62x = 29,048.31 × 12,673.50
  4. Step 4: Simplify right side
    21,058.62x = 368,143,756.79
  5. Step 5: Solve for x
    x = 368,143,756.79/21,058.62
  6. Step 6: Final answer
    x = 17,481.86

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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.