Home / 19,864.85-29,796.39-12,057.26

Finding the Fourth Proportional to 19,864.85, 29,796.39 and 12,057.26

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Solution

The fourth proportional to 19,864.85, 29,796.39 and 12,057.26 is: 18,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.85 : 29,796.39 = 12,057.26 : x
  2. Step 2: Convert to fraction form
    19,864.85/29,796.39 = 12,057.26/x
  3. Step 3: Cross multiply
    19,864.85x = 29,796.39 × 12,057.26
  4. Step 4: Simplify right side
    19,864.85x = 359,262,672.31
  5. Step 5: Solve for x
    x = 359,262,672.31/19,864.85
  6. Step 6: Final answer
    x = 18,085.35

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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.