Home / 19,580.85-29,371.28-18,744.33

Finding the Fourth Proportional to 19,580.85, 29,371.28 and 18,744.33

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Solution

The fourth proportional to 19,580.85, 29,371.28 and 18,744.33 is: 28,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.85 : 29,371.28 = 18,744.33 : x
  2. Step 2: Convert to fraction form
    19,580.85/29,371.28 = 18,744.33/x
  3. Step 3: Cross multiply
    19,580.85x = 29,371.28 × 18,744.33
  4. Step 4: Simplify right side
    19,580.85x = 550,544,871.12
  5. Step 5: Solve for x
    x = 550,544,871.12/19,580.85
  6. Step 6: Final answer
    x = 28,116.50

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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.