Home / 22,452.81-33,657.21-19,128.57

Finding the Fourth Proportional to 22,452.81, 33,657.21 and 19,128.57

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Solution

The fourth proportional to 22,452.81, 33,657.21 and 19,128.57 is: 28,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.81 : 33,657.21 = 19,128.57 : x
  2. Step 2: Convert to fraction form
    22,452.81/33,657.21 = 19,128.57/x
  3. Step 3: Cross multiply
    22,452.81x = 33,657.21 × 19,128.57
  4. Step 4: Simplify right side
    22,452.81x = 643,814,297.49
  5. Step 5: Solve for x
    x = 643,814,297.49/22,452.81
  6. Step 6: Final answer
    x = 28,674.11

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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.