Home / 19,152.05-28,728.09-6,005.44

Finding the Fourth Proportional to 19,152.05, 28,728.09 and 6,005.44

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Solution

The fourth proportional to 19,152.05, 28,728.09 and 6,005.44 is: 9,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.05 : 28,728.09 = 6,005.44 : x
  2. Step 2: Convert to fraction form
    19,152.05/28,728.09 = 6,005.44/x
  3. Step 3: Cross multiply
    19,152.05x = 28,728.09 × 6,005.44
  4. Step 4: Simplify right side
    19,152.05x = 172,524,820.81
  5. Step 5: Solve for x
    x = 172,524,820.81/19,152.05
  6. Step 6: Final answer
    x = 9,008.16

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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.