Home / 19,322.10-28,987.56-6,174.42

Finding the Fourth Proportional to 19,322.10, 28,987.56 and 6,174.42

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Solution

The fourth proportional to 19,322.10, 28,987.56 and 6,174.42 is: 9,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.10 : 28,987.56 = 6,174.42 : x
  2. Step 2: Convert to fraction form
    19,322.10/28,987.56 = 6,174.42/x
  3. Step 3: Cross multiply
    19,322.10x = 28,987.56 × 6,174.42
  4. Step 4: Simplify right side
    19,322.10x = 178,981,370.22
  5. Step 5: Solve for x
    x = 178,981,370.22/19,322.10
  6. Step 6: Final answer
    x = 9,263.04

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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.