Home / 19,048.16-28,577.36-8,372.56

Finding the Fourth Proportional to 19,048.16, 28,577.36 and 8,372.56

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Solution

The fourth proportional to 19,048.16, 28,577.36 and 8,372.56 is: 12,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.16 : 28,577.36 = 8,372.56 : x
  2. Step 2: Convert to fraction form
    19,048.16/28,577.36 = 8,372.56/x
  3. Step 3: Cross multiply
    19,048.16x = 28,577.36 × 8,372.56
  4. Step 4: Simplify right side
    19,048.16x = 239,265,661.24
  5. Step 5: Solve for x
    x = 239,265,661.24/19,048.16
  6. Step 6: Final answer
    x = 12,561.09

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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.